vl.c

   1 /*
   2  * QEMU System Emulator
   3  *
   4  * Copyright (c) 2003-2008 Fabrice Bellard
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a copy
   7  * of this software and associated documentation files (the "Software"), to deal
   8  * in the Software without restriction, including without limitation the rights
   9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  10  * copies of the Software, and to permit persons to whom the Software is
  11  * furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included in
  14  * all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  22  * THE SOFTWARE.
  23  */
  24 #include <unistd.h>
  25 #include <fcntl.h>
  26 #include <signal.h>
  27 #include <time.h>
  28 #include <errno.h>
  29 #include <sys/time.h>
  30 #include <zlib.h>
  31
  32 /* Needed early for CONFIG_BSD etc. */
  33 #include "config-host.h"
  34
  35 #ifndef _WIN32
  36 #include <libgen.h>
  37 #include <sys/times.h>
  38 #include <sys/wait.h>
  39 #include <termios.h>
  40 #include <sys/mman.h>
  41 #include <sys/ioctl.h>
  42 #include <sys/resource.h>
  43 #include <sys/socket.h>
  44 #include <netinet/in.h>
  45 #include <net/if.h>
  46 #include <arpa/inet.h>
  47 #include <dirent.h>
  48 #include <netdb.h>
  49 #include <sys/select.h>
  50
  51 #ifdef CONFIG_BSD
  52 #include <sys/stat.h>
  53 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
  54 #include <libutil.h>
  55 #include <sys/sysctl.h>
  56 #else
  57 #include <util.h>
  58 #endif
  59 #else
  60 #ifdef __linux__
  61 #include <pty.h>
  62 #include <malloc.h>
  63
  64 #include <linux/ppdev.h>
  65 #include <linux/parport.h>
  66 #endif
  67 #ifdef __sun__
  68 #include <sys/stat.h>
  69 #include <sys/ethernet.h>
  70 #include <sys/sockio.h>
  71 #include <netinet/arp.h>
  72 #include <netinet/in_systm.h>
  73 #include <netinet/ip.h>
  74 #include <netinet/ip_icmp.h> // must come after ip.h
  75 #include <netinet/udp.h>
  76 #include <netinet/tcp.h>
  77 #include <net/if.h>
  78 #include <syslog.h>
  79 #include <stropts.h>
  80 #endif
  81 #endif
  82 #endif
  83
  84 #if defined(__OpenBSD__)
  85 #include <util.h>
  86 #endif
  87
  88 #if defined(CONFIG_VDE)
  89 #include <libvdeplug.h>
  90 #endif
  91
  92 #ifdef _WIN32
  93 #include <windows.h>
  94 #endif
  95
  96 #ifdef CONFIG_SDL
  97 #if defined(__APPLE__) || defined(main)
  98 #include <SDL.h>
  99 int qemu_main(int argc, char **argv, char **envp);
 100 int main(int argc, char **argv)
 101 {
 102     return qemu_main(argc, argv, NULL);
 103 }
 104 #undef main
 105 #define main qemu_main
 106 #endif
 107 #endif /* CONFIG_SDL */
 108
 109 #ifdef CONFIG_COCOA
 110 #undef main
 111 #define main qemu_main
 112 #endif /* CONFIG_COCOA */
 113
 114 #include <glib.h>
 115
 116 #include "hw/hw.h"
 117 #include "hw/boards.h"
 118 #include "hw/usb.h"
 119 #include "hw/pcmcia.h"
 120 #include "hw/pc.h"
 121 #include "hw/isa.h"
 122 #include "hw/baum.h"
 123 #include "hw/bt.h"
 124 #include "hw/watchdog.h"
 125 #include "hw/smbios.h"
 126 #include "hw/xen.h"
 127 #include "hw/qdev.h"
 128 #include "hw/loader.h"
 129 #include "bt-host.h"
 130 #include "net.h"
 131 #include "net/slirp.h"
 132 #include "monitor.h"
 133 #include "console.h"
 134 #include "sysemu.h"
 135 #include "gdbstub.h"
 136 #include "qemu-timer.h"
 137 #include "qemu-char.h"
 138 #include "cache-utils.h"
 139 #include "block.h"
 140 #include "blockdev.h"
 141 #include "block-migration.h"
 142 #include "dma.h"
 143 #include "audio/audio.h"
 144 #include "migration.h"
 145 #include "kvm.h"
 146 #include "qjson.h"
 147 #include "qemu-option.h"
 148 #include "qemu-config.h"
 149 #include "qemu-options.h"
 150 #include "qmp-commands.h"
 151 #include "main-loop.h"
 152 #ifdef CONFIG_VIRTFS
 153 #include "fsdev/qemu-fsdev.h"
 154 #endif
 155 #include "qtest.h"
 156
 157 #include "disas.h"
 158
 159 #include "qemu_socket.h"
 160
 161 #include "slirp/libslirp.h"
 162
 163 #include "trace.h"
 164 #include "trace/control.h"
 165 #include "qemu-queue.h"
 166 #include "cpus.h"
 167 #include "arch_init.h"
 168
 169 #include "ui/qemu-spice.h"
 170
 171 //#define DEBUG_NET
 172 //#define DEBUG_SLIRP
 173
 174 #define DEFAULT_RAM_SIZE 128
 175
 176 #define MAX_VIRTIO_CONSOLES 1
 177
 178 static const char *data_dir;
 179 const char *bios_name = NULL;
 180 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
 181 DisplayType display_type = DT_DEFAULT;
 182 int display_remote = 0;
 183 const char* keyboard_layout = NULL;
 184 ram_addr_t ram_size;
 185 const char *mem_path = NULL;
 186 #ifdef MAP_POPULATE
 187 int mem_prealloc = 0; /* force preallocation of physical target memory */
 188 #endif
 189 int nb_nics;
 190 NICInfo nd_table[MAX_NICS];
 191 int autostart;
 192 static int rtc_utc = 1;
 193 static int rtc_date_offset = -1; /* -1 means no change */
 194 QEMUClock *rtc_clock;
 195 int vga_interface_type = VGA_NONE;
 196 static int full_screen = 0;
 197 #ifdef CONFIG_SDL
 198 static int no_frame = 0;
 199 #endif
 200 int no_quit = 0;
 201 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
 202 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
 203 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
 204 int win2k_install_hack = 0;
 205 int usb_enabled = 0;
 206 int singlestep = 0;
 207 int smp_cpus = 1;
 208 int max_cpus = 0;
 209 int smp_cores = 1;
 210 int smp_threads = 1;
 211 #ifdef CONFIG_VNC
 212 const char *vnc_display;
 213 #endif
 214 int acpi_enabled = 1;
 215 int no_hpet = 0;
 216 int fd_bootchk = 1;
 217 int no_reboot = 0;
 218 int no_shutdown = 0;
 219 int cursor_hide = 1;
 220 int graphic_rotate = 0;
 221 const char *watchdog;
 222 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
 223 int nb_option_roms;
 224 int semihosting_enabled = 0;
 225 int old_param = 0;
 226 const char *qemu_name;
 227 int alt_grab = 0;
 228 int ctrl_grab = 0;
 229 unsigned int nb_prom_envs = 0;
 230 const char *prom_envs[MAX_PROM_ENVS];
 231 int boot_menu;
 232 uint8_t *boot_splash_filedata;
 233 int boot_splash_filedata_size;
 234 uint8_t qemu_extra_params_fw[2];
 235
 236 typedef struct FWBootEntry FWBootEntry;
 237
 238 struct FWBootEntry {
 239     QTAILQ_ENTRY(FWBootEntry) link;
 240     int32_t bootindex;
 241     DeviceState *dev;
 242     char *suffix;
 243 };
 244
 245 QTAILQ_HEAD(, FWBootEntry) fw_boot_order = QTAILQ_HEAD_INITIALIZER(fw_boot_order);
 246
 247 int nb_numa_nodes;
 248 uint64_t node_mem[MAX_NODES];
 249 uint64_t node_cpumask[MAX_NODES];
 250
 251 uint8_t qemu_uuid[16];
 252
 253 static QEMUBootSetHandler *boot_set_handler;
 254 static void *boot_set_opaque;
 255
 256 static NotifierList exit_notifiers =
 257     NOTIFIER_LIST_INITIALIZER(exit_notifiers);
 258
 259 static NotifierList machine_init_done_notifiers =
 260     NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
 261
 262 static int tcg_allowed = 1;
 263 int kvm_allowed = 0;
 264 int xen_allowed = 0;
 265 uint32_t xen_domid;
 266 enum xen_mode xen_mode = XEN_EMULATE;
 267 static int tcg_tb_size;
 268
 269 static int default_serial = 1;
 270 static int default_parallel = 1;
 271 static int default_virtcon = 1;
 272 static int default_monitor = 1;
 273 static int default_floppy = 1;
 274 static int default_cdrom = 1;
 275 static int default_sdcard = 1;
 276
 277 static struct {
 278     const char *driver;
 279     int *flag;
 280 } default_list[] = {
 281     { .driver = "isa-serial",           .flag = &default_serial    },
 282     { .driver = "isa-parallel",         .flag = &default_parallel  },
 283     { .driver = "isa-fdc",              .flag = &default_floppy    },
 284     { .driver = "ide-cd",               .flag = &default_cdrom     },
 285     { .driver = "ide-hd",               .flag = &default_cdrom     },
 286     { .driver = "ide-drive",            .flag = &default_cdrom     },
 287     { .driver = "scsi-cd",              .flag = &default_cdrom     },
 288     { .driver = "virtio-serial-pci",    .flag = &default_virtcon   },
 289     { .driver = "virtio-serial-s390",   .flag = &default_virtcon   },
 290     { .driver = "virtio-serial",        .flag = &default_virtcon   },
 291 };
 292
 293 static void res_free(void)
 294 {
 295     if (boot_splash_filedata != NULL) {
 296         g_free(boot_splash_filedata);
 297         boot_splash_filedata = NULL;
 298     }
 299 }
 300
 301 static int default_driver_check(QemuOpts *opts, void *opaque)
 302 {
 303     const char *driver = qemu_opt_get(opts, "driver");
 304     int i;
 305
 306     if (!driver)
 307         return 0;
 308     for (i = 0; i < ARRAY_SIZE(default_list); i++) {
 309         if (strcmp(default_list[i].driver, driver) != 0)
 310             continue;
 311         *(default_list[i].flag) = 0;
 312     }
 313     return 0;
 314 }
 315
 316 /***********************************************************/
 317 /* QEMU state */
 318
 319 static RunState current_run_state = RUN_STATE_PRELAUNCH;
 320
 321 typedef struct {
 322     RunState from;
 323     RunState to;
 324 } RunStateTransition;
 325
 326 static const RunStateTransition runstate_transitions_def[] = {
 327     /*     from      ->     to      */
 328     { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
 329
 330     { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
 331     { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
 332
 333     { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
 334     { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
 335
 336     { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
 337     { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
 338
 339     { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
 340     { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
 341
 342     { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
 343     { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
 344
 345     { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
 346     { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
 347     { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
 348
 349     { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
 350     { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
 351
 352     { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
 353
 354     { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
 355     { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
 356     { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
 357     { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
 358     { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
 359     { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
 360     { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
 361     { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
 362     { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
 363
 364     { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
 365
 366     { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
 367     { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
 368
 369     { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
 370     { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
 371     { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
 372     { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
 373
 374     { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
 375     { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
 376
 377     { RUN_STATE_MAX, RUN_STATE_MAX },
 378 };
 379
 380 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
 381
 382 bool runstate_check(RunState state)
 383 {
 384     return current_run_state == state;
 385 }
 386
 387 void runstate_init(void)
 388 {
 389     const RunStateTransition *p;
 390
 391     memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
 392
 393     for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
 394         runstate_valid_transitions[p->from][p->to] = true;
 395     }
 396 }
 397
 398 /* This function will abort() on invalid state transitions */
 399 void runstate_set(RunState new_state)
 400 {
 401     assert(new_state < RUN_STATE_MAX);
 402
 403     if (!runstate_valid_transitions[current_run_state][new_state]) {
 404         fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
 405                 RunState_lookup[current_run_state],
 406                 RunState_lookup[new_state]);
 407         abort();
 408     }
 409
 410     current_run_state = new_state;
 411 }
 412
 413 int runstate_is_running(void)
 414 {
 415     return runstate_check(RUN_STATE_RUNNING);
 416 }
 417
 418 StatusInfo *qmp_query_status(Error **errp)
 419 {
 420     StatusInfo *info = g_malloc0(sizeof(*info));
 421
 422     info->running = runstate_is_running();
 423     info->singlestep = singlestep;
 424     info->status = current_run_state;
 425
 426     return info;
 427 }
 428
 429 /***********************************************************/
 430 /* real time host monotonic timer */
 431
 432 /***********************************************************/
 433 /* host time/date access */
 434 void qemu_get_timedate(struct tm *tm, int offset)
 435 {
 436     time_t ti;
 437     struct tm *ret;
 438
 439     time(&ti);
 440     ti += offset;
 441     if (rtc_date_offset == -1) {
 442         if (rtc_utc)
 443             ret = gmtime(&ti);
 444         else
 445             ret = localtime(&ti);
 446     } else {
 447         ti -= rtc_date_offset;
 448         ret = gmtime(&ti);
 449     }
 450
 451     memcpy(tm, ret, sizeof(struct tm));
 452 }
 453
 454 int qemu_timedate_diff(struct tm *tm)
 455 {
 456     time_t seconds;
 457
 458     if (rtc_date_offset == -1)
 459         if (rtc_utc)
 460             seconds = mktimegm(tm);
 461         else {
 462             struct tm tmp = *tm;
 463             tmp.tm_isdst = -1; /* use timezone to figure it out */
 464             seconds = mktime(&tmp);
 465         }
 466     else
 467         seconds = mktimegm(tm) + rtc_date_offset;
 468
 469     return seconds - time(NULL);
 470 }
 471
 472 void rtc_change_mon_event(struct tm *tm)
 473 {
 474     QObject *data;
 475
 476     data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
 477     monitor_protocol_event(QEVENT_RTC_CHANGE, data);
 478     qobject_decref(data);
 479 }
 480
 481 static void configure_rtc_date_offset(const char *startdate, int legacy)
 482 {
 483     time_t rtc_start_date;
 484     struct tm tm;
 485
 486     if (!strcmp(startdate, "now") && legacy) {
 487         rtc_date_offset = -1;
 488     } else {
 489         if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
 490                    &tm.tm_year,
 491                    &tm.tm_mon,
 492                    &tm.tm_mday,
 493                    &tm.tm_hour,
 494                    &tm.tm_min,
 495                    &tm.tm_sec) == 6) {
 496             /* OK */
 497         } else if (sscanf(startdate, "%d-%d-%d",
 498                           &tm.tm_year,
 499                           &tm.tm_mon,
 500                           &tm.tm_mday) == 3) {
 501             tm.tm_hour = 0;
 502             tm.tm_min = 0;
 503             tm.tm_sec = 0;
 504         } else {
 505             goto date_fail;
 506         }
 507         tm.tm_year -= 1900;
 508         tm.tm_mon--;
 509         rtc_start_date = mktimegm(&tm);
 510         if (rtc_start_date == -1) {
 511         date_fail:
 512             fprintf(stderr, "Invalid date format. Valid formats are:\n"
 513                             "'2006-06-17T16:01:21' or '2006-06-17'\n");
 514             exit(1);
 515         }
 516         rtc_date_offset = time(NULL) - rtc_start_date;
 517     }
 518 }
 519
 520 static void configure_rtc(QemuOpts *opts)
 521 {
 522     const char *value;
 523
 524     value = qemu_opt_get(opts, "base");
 525     if (value) {
 526         if (!strcmp(value, "utc")) {
 527             rtc_utc = 1;
 528         } else if (!strcmp(value, "localtime")) {
 529             rtc_utc = 0;
 530         } else {
 531             configure_rtc_date_offset(value, 0);
 532         }
 533     }
 534     value = qemu_opt_get(opts, "clock");
 535     if (value) {
 536         if (!strcmp(value, "host")) {
 537             rtc_clock = host_clock;
 538         } else if (!strcmp(value, "rt")) {
 539             rtc_clock = rt_clock;
 540         } else if (!strcmp(value, "vm")) {
 541             rtc_clock = vm_clock;
 542         } else {
 543             fprintf(stderr, "qemu: invalid option value '%s'\n", value);
 544             exit(1);
 545         }
 546     }
 547     value = qemu_opt_get(opts, "driftfix");
 548     if (value) {
 549         if (!strcmp(value, "slew")) {
 550             static GlobalProperty slew_lost_ticks[] = {
 551                 {
 552                     .driver   = "mc146818rtc",
 553                     .property = "lost_tick_policy",
 554                     .value    = "slew",
 555                 },
 556                 { /* end of list */ }
 557             };
 558
 559             qdev_prop_register_global_list(slew_lost_ticks);
 560         } else if (!strcmp(value, "none")) {
 561             /* discard is default */
 562         } else {
 563             fprintf(stderr, "qemu: invalid option value '%s'\n", value);
 564             exit(1);
 565         }
 566     }
 567 }
 568
 569 /***********************************************************/
 570 /* Bluetooth support */
 571 static int nb_hcis;
 572 static int cur_hci;
 573 static struct HCIInfo *hci_table[MAX_NICS];
 574
 575 static struct bt_vlan_s {
 576     struct bt_scatternet_s net;
 577     int id;
 578     struct bt_vlan_s *next;
 579 } *first_bt_vlan;
 580
 581 /* find or alloc a new bluetooth "VLAN" */
 582 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
 583 {
 584     struct bt_vlan_s **pvlan, *vlan;
 585     for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
 586         if (vlan->id == id)
 587             return &vlan->net;
 588     }
 589     vlan = g_malloc0(sizeof(struct bt_vlan_s));
 590     vlan->id = id;
 591     pvlan = &first_bt_vlan;
 592     while (*pvlan != NULL)
 593         pvlan = &(*pvlan)->next;
 594     *pvlan = vlan;
 595     return &vlan->net;
 596 }
 597
 598 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
 599 {
 600 }
 601
 602 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
 603 {
 604     return -ENOTSUP;
 605 }
 606
 607 static struct HCIInfo null_hci = {
 608     .cmd_send = null_hci_send,
 609     .sco_send = null_hci_send,
 610     .acl_send = null_hci_send,
 611     .bdaddr_set = null_hci_addr_set,
 612 };
 613
 614 struct HCIInfo *qemu_next_hci(void)
 615 {
 616     if (cur_hci == nb_hcis)
 617         return &null_hci;
 618
 619     return hci_table[cur_hci++];
 620 }
 621
 622 static struct HCIInfo *hci_init(const char *str)
 623 {
 624     char *endp;
 625     struct bt_scatternet_s *vlan = 0;
 626
 627     if (!strcmp(str, "null"))
 628         /* null */
 629         return &null_hci;
 630     else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
 631         /* host[:hciN] */
 632         return bt_host_hci(str[4] ? str + 5 : "hci0");
 633     else if (!strncmp(str, "hci", 3)) {
 634         /* hci[,vlan=n] */
 635         if (str[3]) {
 636             if (!strncmp(str + 3, ",vlan=", 6)) {
 637                 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
 638                 if (*endp)
 639                     vlan = 0;
 640             }
 641         } else
 642             vlan = qemu_find_bt_vlan(0);
 643         if (vlan)
 644            return bt_new_hci(vlan);
 645     }
 646
 647     fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
 648
 649     return 0;
 650 }
 651
 652 static int bt_hci_parse(const char *str)
 653 {
 654     struct HCIInfo *hci;
 655     bdaddr_t bdaddr;
 656
 657     if (nb_hcis >= MAX_NICS) {
 658         fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
 659         return -1;
 660     }
 661
 662     hci = hci_init(str);
 663     if (!hci)
 664         return -1;
 665
 666     bdaddr.b[0] = 0x52;
 667     bdaddr.b[1] = 0x54;
 668     bdaddr.b[2] = 0x00;
 669     bdaddr.b[3] = 0x12;
 670     bdaddr.b[4] = 0x34;
 671     bdaddr.b[5] = 0x56 + nb_hcis;
 672     hci->bdaddr_set(hci, bdaddr.b);
 673
 674     hci_table[nb_hcis++] = hci;
 675
 676     return 0;
 677 }
 678
 679 static void bt_vhci_add(int vlan_id)
 680 {
 681     struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
 682
 683     if (!vlan->slave)
 684         fprintf(stderr, "qemu: warning: adding a VHCI to "
 685                         "an empty scatternet %i\n", vlan_id);
 686
 687     bt_vhci_init(bt_new_hci(vlan));
 688 }
 689
 690 static struct bt_device_s *bt_device_add(const char *opt)
 691 {
 692     struct bt_scatternet_s *vlan;
 693     int vlan_id = 0;
 694     char *endp = strstr(opt, ",vlan=");
 695     int len = (endp ? endp - opt : strlen(opt)) + 1;
 696     char devname[10];
 697
 698     pstrcpy(devname, MIN(sizeof(devname), len), opt);
 699
 700     if (endp) {
 701         vlan_id = strtol(endp + 6, &endp, 0);
 702         if (*endp) {
 703             fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
 704             return 0;
 705         }
 706     }
 707
 708     vlan = qemu_find_bt_vlan(vlan_id);
 709
 710     if (!vlan->slave)
 711         fprintf(stderr, "qemu: warning: adding a slave device to "
 712                         "an empty scatternet %i\n", vlan_id);
 713
 714     if (!strcmp(devname, "keyboard"))
 715         return bt_keyboard_init(vlan);
 716
 717     fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
 718     return 0;
 719 }
 720
 721 static int bt_parse(const char *opt)
 722 {
 723     const char *endp, *p;
 724     int vlan;
 725
 726     if (strstart(opt, "hci", &endp)) {
 727         if (!*endp || *endp == ',') {
 728             if (*endp)
 729                 if (!strstart(endp, ",vlan=", 0))
 730                     opt = endp + 1;
 731
 732             return bt_hci_parse(opt);
 733        }
 734     } else if (strstart(opt, "vhci", &endp)) {
 735         if (!*endp || *endp == ',') {
 736             if (*endp) {
 737                 if (strstart(endp, ",vlan=", &p)) {
 738                     vlan = strtol(p, (char **) &endp, 0);
 739                     if (*endp) {
 740                         fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
 741                         return 1;
 742                     }
 743                 } else {
 744                     fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
 745                     return 1;
 746                 }
 747             } else
 748                 vlan = 0;
 749
 750             bt_vhci_add(vlan);
 751             return 0;
 752         }
 753     } else if (strstart(opt, "device:", &endp))
 754         return !bt_device_add(endp);
 755
 756     fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
 757     return 1;
 758 }
 759
 760 /***********************************************************/
 761 /* QEMU Block devices */
 762
 763 #define HD_OPTS "media=disk"
 764 #define CDROM_OPTS "media=cdrom"
 765 #define FD_OPTS ""
 766 #define PFLASH_OPTS ""
 767 #define MTD_OPTS ""
 768 #define SD_OPTS ""
 769
 770 static int drive_init_func(QemuOpts *opts, void *opaque)
 771 {
 772     int *use_scsi = opaque;
 773
 774     return drive_init(opts, *use_scsi) == NULL;
 775 }
 776
 777 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
 778 {
 779     if (NULL == qemu_opt_get(opts, "snapshot")) {
 780         qemu_opt_set(opts, "snapshot", "on");
 781     }
 782     return 0;
 783 }
 784
 785 static void default_drive(int enable, int snapshot, int use_scsi,
 786                           BlockInterfaceType type, int index,
 787                           const char *optstr)
 788 {
 789     QemuOpts *opts;
 790
 791     if (type == IF_DEFAULT) {
 792         type = use_scsi ? IF_SCSI : IF_IDE;
 793     }
 794
 795     if (!enable || drive_get_by_index(type, index)) {
 796         return;
 797     }
 798
 799     opts = drive_add(type, index, NULL, optstr);
 800     if (snapshot) {
 801         drive_enable_snapshot(opts, NULL);
 802     }
 803     if (!drive_init(opts, use_scsi)) {
 804         exit(1);
 805     }
 806 }
 807
 808 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
 809 {
 810     boot_set_handler = func;
 811     boot_set_opaque = opaque;
 812 }
 813
 814 int qemu_boot_set(const char *boot_devices)
 815 {
 816     if (!boot_set_handler) {
 817         return -EINVAL;
 818     }
 819     return boot_set_handler(boot_set_opaque, boot_devices);
 820 }
 821
 822 static void validate_bootdevices(char *devices)
 823 {
 824     /* We just do some generic consistency checks */
 825     const char *p;
 826     int bitmap = 0;
 827
 828     for (p = devices; *p != '\0'; p++) {
 829         /* Allowed boot devices are:
 830          * a-b: floppy disk drives
 831          * c-f: IDE disk drives
 832          * g-m: machine implementation dependent drives
 833          * n-p: network devices
 834          * It's up to each machine implementation to check if the given boot
 835          * devices match the actual hardware implementation and firmware
 836          * features.
 837          */
 838         if (*p < 'a' || *p > 'p') {
 839             fprintf(stderr, "Invalid boot device '%c'\n", *p);
 840             exit(1);
 841         }
 842         if (bitmap & (1 << (*p - 'a'))) {
 843             fprintf(stderr, "Boot device '%c' was given twice\n", *p);
 844             exit(1);
 845         }
 846         bitmap |= 1 << (*p - 'a');
 847     }
 848 }
 849
 850 static void restore_boot_devices(void *opaque)
 851 {
 852     char *standard_boot_devices = opaque;
 853     static int first = 1;
 854
 855     /* Restore boot order and remove ourselves after the first boot */
 856     if (first) {
 857         first = 0;
 858         return;
 859     }
 860
 861     qemu_boot_set(standard_boot_devices);
 862
 863     qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
 864     g_free(standard_boot_devices);
 865 }
 866
 867 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
 868                           const char *suffix)
 869 {
 870     FWBootEntry *node, *i;
 871
 872     if (bootindex < 0) {
 873         return;
 874     }
 875
 876     assert(dev != NULL || suffix != NULL);
 877
 878     node = g_malloc0(sizeof(FWBootEntry));
 879     node->bootindex = bootindex;
 880     node->suffix = suffix ? g_strdup(suffix) : NULL;
 881     node->dev = dev;
 882
 883     QTAILQ_FOREACH(i, &fw_boot_order, link) {
 884         if (i->bootindex == bootindex) {
 885             fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
 886             exit(1);
 887         } else if (i->bootindex < bootindex) {
 888             continue;
 889         }
 890         QTAILQ_INSERT_BEFORE(i, node, link);
 891         return;
 892     }
 893     QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
 894 }
 895
 896 /*
 897  * This function returns null terminated string that consist of new line
 898  * separated device paths.
 899  *
 900  * memory pointed by "size" is assigned total length of the array in bytes
 901  *
 902  */
 903 char *get_boot_devices_list(uint32_t *size)
 904 {
 905     FWBootEntry *i;
 906     uint32_t total = 0;
 907     char *list = NULL;
 908
 909     QTAILQ_FOREACH(i, &fw_boot_order, link) {
 910         char *devpath = NULL, *bootpath;
 911         int len;
 912
 913         if (i->dev) {
 914             devpath = qdev_get_fw_dev_path(i->dev);
 915             assert(devpath);
 916         }
 917
 918         if (i->suffix && devpath) {
 919             size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
 920
 921             bootpath = g_malloc(bootpathlen);
 922             snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
 923             g_free(devpath);
 924         } else if (devpath) {
 925             bootpath = devpath;
 926         } else {
 927             assert(i->suffix);
 928             bootpath = g_strdup(i->suffix);
 929         }
 930
 931         if (total) {
 932             list[total-1] = '\n';
 933         }
 934         len = strlen(bootpath) + 1;
 935         list = g_realloc(list, total + len);
 936         memcpy(&list[total], bootpath, len);
 937         total += len;
 938         g_free(bootpath);
 939     }
 940
 941     *size = total;
 942
 943     return list;
 944 }
 945
 946 static void numa_add(const char *optarg)
 947 {
 948     char option[128];
 949     char *endptr;
 950     unsigned long long value, endvalue;
 951     int nodenr;
 952
 953     optarg = get_opt_name(option, 128, optarg, ',') + 1;
 954     if (!strcmp(option, "node")) {
 955         if (get_param_value(option, 128, "nodeid", optarg) == 0) {
 956             nodenr = nb_numa_nodes;
 957         } else {
 958             nodenr = strtoull(option, NULL, 10);
 959         }
 960
 961         if (get_param_value(option, 128, "mem", optarg) == 0) {
 962             node_mem[nodenr] = 0;
 963         } else {
 964             int64_t sval;
 965             sval = strtosz(option, &endptr);
 966             if (sval < 0 || *endptr) {
 967                 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
 968                 exit(1);
 969             }
 970             node_mem[nodenr] = sval;
 971         }
 972         if (get_param_value(option, 128, "cpus", optarg) == 0) {
 973             node_cpumask[nodenr] = 0;
 974         } else {
 975             value = strtoull(option, &endptr, 10);
 976             if (value >= 64) {
 977                 value = 63;
 978                 fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n");
 979             } else {
 980                 if (*endptr == '-') {
 981                     endvalue = strtoull(endptr+1, &endptr, 10);
 982                     if (endvalue >= 63) {
 983                         endvalue = 62;
 984                         fprintf(stderr,
 985                             "only 63 CPUs in NUMA mode supported.\n");
 986                     }
 987                     value = (2ULL << endvalue) - (1ULL << value);
 988                 } else {
 989                     value = 1ULL << value;
 990                 }
 991             }
 992             node_cpumask[nodenr] = value;
 993         }
 994         nb_numa_nodes++;
 995     }
 996     return;
 997 }
 998
 999 static void smp_parse(const char *optarg)
1000 {
1001     int smp, sockets = 0, threads = 0, cores = 0;
1002     char *endptr;
1003     char option[128];
1004
1005     smp = strtoul(optarg, &endptr, 10);
1006     if (endptr != optarg) {
1007         if (*endptr == ',') {
1008             endptr++;
1009         }
1010     }
1011     if (get_param_value(option, 128, "sockets", endptr) != 0)
1012         sockets = strtoull(option, NULL, 10);
1013     if (get_param_value(option, 128, "cores", endptr) != 0)
1014         cores = strtoull(option, NULL, 10);
1015     if (get_param_value(option, 128, "threads", endptr) != 0)
1016         threads = strtoull(option, NULL, 10);
1017     if (get_param_value(option, 128, "maxcpus", endptr) != 0)
1018         max_cpus = strtoull(option, NULL, 10);
1019
1020     /* compute missing values, prefer sockets over cores over threads */
1021     if (smp == 0 || sockets == 0) {
1022         sockets = sockets > 0 ? sockets : 1;
1023         cores = cores > 0 ? cores : 1;
1024         threads = threads > 0 ? threads : 1;
1025         if (smp == 0) {
1026             smp = cores * threads * sockets;
1027         }
1028     } else {
1029         if (cores == 0) {
1030             threads = threads > 0 ? threads : 1;
1031             cores = smp / (sockets * threads);
1032         } else {
1033             threads = smp / (cores * sockets);
1034         }
1035     }
1036     smp_cpus = smp;
1037     smp_cores = cores > 0 ? cores : 1;
1038     smp_threads = threads > 0 ? threads : 1;
1039     if (max_cpus == 0)
1040         max_cpus = smp_cpus;
1041 }
1042
1043 /***********************************************************/
1044 /* USB devices */
1045
1046 static int usb_device_add(const char *devname)
1047 {
1048     const char *p;
1049     USBDevice *dev = NULL;
1050
1051     if (!usb_enabled)
1052         return -1;
1053
1054     /* drivers with .usbdevice_name entry in USBDeviceInfo */
1055     dev = usbdevice_create(devname);
1056     if (dev)
1057         goto done;
1058
1059     /* the other ones */
1060 #ifndef CONFIG_LINUX
1061     /* only the linux version is qdev-ified, usb-bsd still needs this */
1062     if (strstart(devname, "host:", &p)) {
1063         dev = usb_host_device_open(usb_bus_find(-1), p);
1064     } else
1065 #endif
1066     if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1067         dev = usb_bt_init(usb_bus_find(-1),
1068                           devname[2] ? hci_init(p)
1069                                      : bt_new_hci(qemu_find_bt_vlan(0)));
1070     } else {
1071         return -1;
1072     }
1073     if (!dev)
1074         return -1;
1075
1076 done:
1077     return 0;
1078 }
1079
1080 static int usb_device_del(const char *devname)
1081 {
1082     int bus_num, addr;
1083     const char *p;
1084
1085     if (strstart(devname, "host:", &p))
1086         return usb_host_device_close(p);
1087
1088     if (!usb_enabled)
1089         return -1;
1090
1091     p = strchr(devname, '.');
1092     if (!p)
1093         return -1;
1094     bus_num = strtoul(devname, NULL, 0);
1095     addr = strtoul(p + 1, NULL, 0);
1096
1097     return usb_device_delete_addr(bus_num, addr);
1098 }
1099
1100 static int usb_parse(const char *cmdline)
1101 {
1102     int r;
1103     r = usb_device_add(cmdline);
1104     if (r < 0) {
1105         fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1106     }
1107     return r;
1108 }
1109
1110 void do_usb_add(Monitor *mon, const QDict *qdict)
1111 {
1112     const char *devname = qdict_get_str(qdict, "devname");
1113     if (usb_device_add(devname) < 0) {
1114         error_report("could not add USB device '%s'", devname);
1115     }
1116 }
1117
1118 void do_usb_del(Monitor *mon, const QDict *qdict)
1119 {
1120     const char *devname = qdict_get_str(qdict, "devname");
1121     if (usb_device_del(devname) < 0) {
1122         error_report("could not delete USB device '%s'", devname);
1123     }
1124 }
1125
1126 /***********************************************************/
1127 /* PCMCIA/Cardbus */
1128
1129 static struct pcmcia_socket_entry_s {
1130     PCMCIASocket *socket;
1131     struct pcmcia_socket_entry_s *next;
1132 } *pcmcia_sockets = 0;
1133
1134 void pcmcia_socket_register(PCMCIASocket *socket)
1135 {
1136     struct pcmcia_socket_entry_s *entry;
1137
1138     entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1139     entry->socket = socket;
1140     entry->next = pcmcia_sockets;
1141     pcmcia_sockets = entry;
1142 }
1143
1144 void pcmcia_socket_unregister(PCMCIASocket *socket)
1145 {
1146     struct pcmcia_socket_entry_s *entry, **ptr;
1147
1148     ptr = &pcmcia_sockets;
1149     for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1150         if (entry->socket == socket) {
1151             *ptr = entry->next;
1152             g_free(entry);
1153         }
1154 }
1155
1156 void pcmcia_info(Monitor *mon)
1157 {
1158     struct pcmcia_socket_entry_s *iter;
1159
1160     if (!pcmcia_sockets)
1161         monitor_printf(mon, "No PCMCIA sockets\n");
1162
1163     for (iter = pcmcia_sockets; iter; iter = iter->next)
1164         monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1165                        iter->socket->attached ? iter->socket->card_string :
1166                        "Empty");
1167 }
1168
1169 /***********************************************************/
1170 /* machine registration */
1171
1172 static QEMUMachine *first_machine = NULL;
1173 QEMUMachine *current_machine = NULL;
1174
1175 int qemu_register_machine(QEMUMachine *m)
1176 {
1177     QEMUMachine **pm;
1178     pm = &first_machine;
1179     while (*pm != NULL)
1180         pm = &(*pm)->next;
1181     m->next = NULL;
1182     *pm = m;
1183     return 0;
1184 }
1185
1186 static QEMUMachine *find_machine(const char *name)
1187 {
1188     QEMUMachine *m;
1189
1190     for(m = first_machine; m != NULL; m = m->next) {
1191         if (!strcmp(m->name, name))
1192             return m;
1193         if (m->alias && !strcmp(m->alias, name))
1194             return m;
1195     }
1196     return NULL;
1197 }
1198
1199 QEMUMachine *find_default_machine(void)
1200 {
1201     QEMUMachine *m;
1202
1203     for(m = first_machine; m != NULL; m = m->next) {
1204         if (m->is_default) {
1205             return m;
1206         }
1207     }
1208     return NULL;
1209 }
1210
1211 /***********************************************************/
1212 /* main execution loop */
1213
1214 static void gui_update(void *opaque)
1215 {
1216     uint64_t interval = GUI_REFRESH_INTERVAL;
1217     DisplayState *ds = opaque;
1218     DisplayChangeListener *dcl = ds->listeners;
1219
1220     dpy_refresh(ds);
1221
1222     while (dcl != NULL) {
1223         if (dcl->gui_timer_interval &&
1224             dcl->gui_timer_interval < interval)
1225             interval = dcl->gui_timer_interval;
1226         dcl = dcl->next;
1227     }
1228     qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1229 }
1230
1231 struct vm_change_state_entry {
1232     VMChangeStateHandler *cb;
1233     void *opaque;
1234     QLIST_ENTRY (vm_change_state_entry) entries;
1235 };
1236
1237 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1238
1239 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1240                                                      void *opaque)
1241 {
1242     VMChangeStateEntry *e;
1243
1244     e = g_malloc0(sizeof (*e));
1245
1246     e->cb = cb;
1247     e->opaque = opaque;
1248     QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1249     return e;
1250 }
1251
1252 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1253 {
1254     QLIST_REMOVE (e, entries);
1255     g_free (e);
1256 }
1257
1258 void vm_state_notify(int running, RunState state)
1259 {
1260     VMChangeStateEntry *e;
1261
1262     trace_vm_state_notify(running, state);
1263
1264     for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1265         e->cb(e->opaque, running, state);
1266     }
1267 }
1268
1269 void vm_start(void)
1270 {
1271     if (!runstate_is_running()) {
1272         cpu_enable_ticks();
1273         runstate_set(RUN_STATE_RUNNING);
1274         vm_state_notify(1, RUN_STATE_RUNNING);
1275         resume_all_vcpus();
1276         monitor_protocol_event(QEVENT_RESUME, NULL);
1277     }
1278 }
1279
1280 /* reset/shutdown handler */
1281
1282 typedef struct QEMUResetEntry {
1283     QTAILQ_ENTRY(QEMUResetEntry) entry;
1284     QEMUResetHandler *func;
1285     void *opaque;
1286 } QEMUResetEntry;
1287
1288 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1289     QTAILQ_HEAD_INITIALIZER(reset_handlers);
1290 static int reset_requested;
1291 static int shutdown_requested, shutdown_signal = -1;
1292 static pid_t shutdown_pid;
1293 static int powerdown_requested;
1294 static int debug_requested;
1295 static int suspend_requested;
1296 static NotifierList suspend_notifiers =
1297     NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1298 static NotifierList wakeup_notifiers =
1299     NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1300 static uint32_t wakeup_reason_mask = ~0;
1301 static RunState vmstop_requested = RUN_STATE_MAX;
1302
1303 int qemu_shutdown_requested_get(void)
1304 {
1305     return shutdown_requested;
1306 }
1307
1308 int qemu_reset_requested_get(void)
1309 {
1310     return reset_requested;
1311 }
1312
1313 int qemu_shutdown_requested(void)
1314 {
1315     int r = shutdown_requested;
1316     shutdown_requested = 0;
1317     return r;
1318 }
1319
1320 void qemu_kill_report(void)
1321 {
1322     if (!qtest_enabled() && shutdown_signal != -1) {
1323         fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1324         if (shutdown_pid == 0) {
1325             /* This happens for eg ^C at the terminal, so it's worth
1326              * avoiding printing an odd message in that case.
1327              */
1328             fputc('\n', stderr);
1329         } else {
1330             fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1331         }
1332         shutdown_signal = -1;
1333     }
1334 }
1335
1336 int qemu_reset_requested(void)
1337 {
1338     int r = reset_requested;
1339     reset_requested = 0;
1340     return r;
1341 }
1342
1343 static int qemu_suspend_requested(void)
1344 {
1345     int r = suspend_requested;
1346     suspend_requested = 0;
1347     return r;
1348 }
1349
1350 int qemu_powerdown_requested(void)
1351 {
1352     int r = powerdown_requested;
1353     powerdown_requested = 0;
1354     return r;
1355 }
1356
1357 static int qemu_debug_requested(void)
1358 {
1359     int r = debug_requested;
1360     debug_requested = 0;
1361     return r;
1362 }
1363
1364 /* We use RUN_STATE_MAX but any invalid value will do */
1365 static bool qemu_vmstop_requested(RunState *r)
1366 {
1367     if (vmstop_requested < RUN_STATE_MAX) {
1368         *r = vmstop_requested;
1369         vmstop_requested = RUN_STATE_MAX;
1370         return true;
1371     }
1372
1373     return false;
1374 }
1375
1376 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1377 {
1378     QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1379
1380     re->func = func;
1381     re->opaque = opaque;
1382     QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1383 }
1384
1385 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1386 {
1387     QEMUResetEntry *re;
1388
1389     QTAILQ_FOREACH(re, &reset_handlers, entry) {
1390         if (re->func == func && re->opaque == opaque) {
1391             QTAILQ_REMOVE(&reset_handlers, re, entry);
1392             g_free(re);
1393             return;
1394         }
1395     }
1396 }
1397
1398 void qemu_system_reset(bool report)
1399 {
1400     QEMUResetEntry *re, *nre;
1401
1402     /* reset all devices */
1403     QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1404         re->func(re->opaque);
1405     }
1406     if (report) {
1407         monitor_protocol_event(QEVENT_RESET, NULL);
1408     }
1409     cpu_synchronize_all_post_reset();
1410 }
1411
1412 void qemu_system_reset_request(void)
1413 {
1414     if (no_reboot) {
1415         shutdown_requested = 1;
1416     } else {
1417         reset_requested = 1;
1418     }
1419     cpu_stop_current();
1420     qemu_notify_event();
1421 }
1422
1423 static void qemu_system_suspend(void)
1424 {
1425     pause_all_vcpus();
1426     notifier_list_notify(&suspend_notifiers, NULL);
1427     runstate_set(RUN_STATE_SUSPENDED);
1428     monitor_protocol_event(QEVENT_SUSPEND, NULL);
1429 }
1430
1431 void qemu_system_suspend_request(void)
1432 {
1433     if (runstate_check(RUN_STATE_SUSPENDED)) {
1434         return;
1435     }
1436     suspend_requested = 1;
1437     cpu_stop_current();
1438     qemu_notify_event();
1439 }
1440
1441 void qemu_register_suspend_notifier(Notifier *notifier)
1442 {
1443     notifier_list_add(&suspend_notifiers, notifier);
1444 }
1445
1446 void qemu_system_wakeup_request(WakeupReason reason)
1447 {
1448     if (!runstate_check(RUN_STATE_SUSPENDED)) {
1449         return;
1450     }
1451     if (!(wakeup_reason_mask & (1 << reason))) {
1452         return;
1453     }
1454     runstate_set(RUN_STATE_RUNNING);
1455     monitor_protocol_event(QEVENT_WAKEUP, NULL);
1456     notifier_list_notify(&wakeup_notifiers, &reason);
1457     reset_requested = 1;
1458     qemu_notify_event();
1459 }
1460
1461 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1462 {
1463     if (enabled) {
1464         wakeup_reason_mask |= (1 << reason);
1465     } else {
1466         wakeup_reason_mask &= ~(1 << reason);
1467     }
1468 }
1469
1470 void qemu_register_wakeup_notifier(Notifier *notifier)
1471 {
1472     notifier_list_add(&wakeup_notifiers, notifier);
1473 }
1474
1475 void qemu_system_killed(int signal, pid_t pid)
1476 {
1477     shutdown_signal = signal;
1478     shutdown_pid = pid;
1479     no_shutdown = 0;
1480     qemu_system_shutdown_request();
1481 }
1482
1483 void qemu_system_shutdown_request(void)
1484 {
1485     shutdown_requested = 1;
1486     qemu_notify_event();
1487 }
1488
1489 void qemu_system_powerdown_request(void)
1490 {
1491     powerdown_requested = 1;
1492     qemu_notify_event();
1493 }
1494
1495 void qemu_system_debug_request(void)
1496 {
1497     debug_requested = 1;
1498     qemu_notify_event();
1499 }
1500
1501 void qemu_system_vmstop_request(RunState state)
1502 {
1503     vmstop_requested = state;
1504     qemu_notify_event();
1505 }
1506
1507 qemu_irq qemu_system_powerdown;
1508
1509 static bool main_loop_should_exit(void)
1510 {
1511     RunState r;
1512     if (qemu_debug_requested()) {
1513         vm_stop(RUN_STATE_DEBUG);
1514     }
1515     if (qemu_suspend_requested()) {
1516         qemu_system_suspend();
1517     }
1518     if (qemu_shutdown_requested()) {
1519         qemu_kill_report();
1520         monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1521         if (no_shutdown) {
1522             vm_stop(RUN_STATE_SHUTDOWN);
1523         } else {
1524             return true;
1525         }
1526     }
1527     if (qemu_reset_requested()) {
1528         pause_all_vcpus();
1529         cpu_synchronize_all_states();
1530         qemu_system_reset(VMRESET_REPORT);
1531         resume_all_vcpus();
1532         if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
1533             runstate_check(RUN_STATE_SHUTDOWN)) {
1534             runstate_set(RUN_STATE_PAUSED);
1535         }
1536     }
1537     if (qemu_powerdown_requested()) {
1538         monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1539         qemu_irq_raise(qemu_system_powerdown);
1540     }
1541     if (qemu_vmstop_requested(&r)) {
1542         vm_stop(r);
1543     }
1544     return false;
1545 }
1546
1547 static void main_loop(void)
1548 {
1549     bool nonblocking;
1550     int last_io = 0;
1551 #ifdef CONFIG_PROFILER
1552     int64_t ti;
1553 #endif
1554     do {
1555         nonblocking = !kvm_enabled() && last_io > 0;
1556 #ifdef CONFIG_PROFILER
1557         ti = profile_getclock();
1558 #endif
1559         last_io = main_loop_wait(nonblocking);
1560 #ifdef CONFIG_PROFILER
1561         dev_time += profile_getclock() - ti;
1562 #endif
1563     } while (!main_loop_should_exit());
1564 }
1565
1566 static void version(void)
1567 {
1568     printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1569 }
1570
1571 static void help(int exitcode)
1572 {
1573     version();
1574     printf("usage: %s [options] [disk_image]\n\n"
1575            "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1576             error_get_progname());
1577
1578 #define QEMU_OPTIONS_GENERATE_HELP
1579 #include "qemu-options-wrapper.h"
1580
1581     printf("\nDuring emulation, the following keys are useful:\n"
1582            "ctrl-alt-f      toggle full screen\n"
1583            "ctrl-alt-n      switch to virtual console 'n'\n"
1584            "ctrl-alt        toggle mouse and keyboard grab\n"
1585            "\n"
1586            "When using -nographic, press 'ctrl-a h' to get some help.\n");
1587
1588     exit(exitcode);
1589 }
1590
1591 #define HAS_ARG 0x0001
1592
1593 typedef struct QEMUOption {
1594     const char *name;
1595     int flags;
1596     int index;
1597     uint32_t arch_mask;
1598 } QEMUOption;
1599
1600 static const QEMUOption qemu_options[] = {
1601     { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1602 #define QEMU_OPTIONS_GENERATE_OPTIONS
1603 #include "qemu-options-wrapper.h"
1604     { NULL },
1605 };
1606
1607 static bool vga_available(void)
1608 {
1609     return qdev_exists("VGA") || qdev_exists("isa-vga");
1610 }
1611
1612 static bool cirrus_vga_available(void)
1613 {
1614     return qdev_exists("cirrus-vga") || qdev_exists("isa-cirrus-vga");
1615 }
1616
1617 static bool vmware_vga_available(void)
1618 {
1619     return qdev_exists("vmware-svga");
1620 }
1621
1622 static void select_vgahw (const char *p)
1623 {
1624     const char *opts;
1625
1626     vga_interface_type = VGA_NONE;
1627     if (strstart(p, "std", &opts)) {
1628         if (vga_available()) {
1629             vga_interface_type = VGA_STD;
1630         } else {
1631             fprintf(stderr, "Error: standard VGA not available\n");
1632             exit(0);
1633         }
1634     } else if (strstart(p, "cirrus", &opts)) {
1635         if (cirrus_vga_available()) {
1636             vga_interface_type = VGA_CIRRUS;
1637         } else {
1638             fprintf(stderr, "Error: Cirrus VGA not available\n");
1639             exit(0);
1640         }
1641     } else if (strstart(p, "vmware", &opts)) {
1642         if (vmware_vga_available()) {
1643             vga_interface_type = VGA_VMWARE;
1644         } else {
1645             fprintf(stderr, "Error: VMWare SVGA not available\n");
1646             exit(0);
1647         }
1648     } else if (strstart(p, "xenfb", &opts)) {
1649         vga_interface_type = VGA_XENFB;
1650     } else if (strstart(p, "qxl", &opts)) {
1651         vga_interface_type = VGA_QXL;
1652     } else if (!strstart(p, "none", &opts)) {
1653     invalid_vga:
1654         fprintf(stderr, "Unknown vga type: %s\n", p);
1655         exit(1);
1656     }
1657     while (*opts) {
1658         const char *nextopt;
1659
1660         if (strstart(opts, ",retrace=", &nextopt)) {
1661             opts = nextopt;
1662             if (strstart(opts, "dumb", &nextopt))
1663                 vga_retrace_method = VGA_RETRACE_DUMB;
1664             else if (strstart(opts, "precise", &nextopt))
1665                 vga_retrace_method = VGA_RETRACE_PRECISE;
1666             else goto invalid_vga;
1667         } else goto invalid_vga;
1668         opts = nextopt;
1669     }
1670 }
1671
1672 static DisplayType select_display(const char *p)
1673 {
1674     const char *opts;
1675     DisplayType display = DT_DEFAULT;
1676
1677     if (strstart(p, "sdl", &opts)) {
1678 #ifdef CONFIG_SDL
1679         display = DT_SDL;
1680         while (*opts) {
1681             const char *nextopt;
1682
1683             if (strstart(opts, ",frame=", &nextopt)) {
1684                 opts = nextopt;
1685                 if (strstart(opts, "on", &nextopt)) {
1686                     no_frame = 0;
1687                 } else if (strstart(opts, "off", &nextopt)) {
1688                     no_frame = 1;
1689                 } else {
1690                     goto invalid_sdl_args;
1691                 }
1692             } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1693                 opts = nextopt;
1694                 if (strstart(opts, "on", &nextopt)) {
1695                     alt_grab = 1;
1696                 } else if (strstart(opts, "off", &nextopt)) {
1697                     alt_grab = 0;
1698                 } else {
1699                     goto invalid_sdl_args;
1700                 }
1701             } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1702                 opts = nextopt;
1703                 if (strstart(opts, "on", &nextopt)) {
1704                     ctrl_grab = 1;
1705                 } else if (strstart(opts, "off", &nextopt)) {
1706                     ctrl_grab = 0;
1707                 } else {
1708                     goto invalid_sdl_args;
1709                 }
1710             } else if (strstart(opts, ",window_close=", &nextopt)) {
1711                 opts = nextopt;
1712                 if (strstart(opts, "on", &nextopt)) {
1713                     no_quit = 0;
1714                 } else if (strstart(opts, "off", &nextopt)) {
1715                     no_quit = 1;
1716                 } else {
1717                     goto invalid_sdl_args;
1718                 }
1719             } else {
1720             invalid_sdl_args:
1721                 fprintf(stderr, "Invalid SDL option string: %s\n", p);
1722                 exit(1);
1723             }
1724             opts = nextopt;
1725         }
1726 #else
1727         fprintf(stderr, "SDL support is disabled\n");
1728         exit(1);
1729 #endif
1730     } else if (strstart(p, "vnc", &opts)) {
1731 #ifdef CONFIG_VNC
1732         display_remote++;
1733
1734         if (*opts) {
1735             const char *nextopt;
1736
1737             if (strstart(opts, "=", &nextopt)) {
1738                 vnc_display = nextopt;
1739             }
1740         }
1741         if (!vnc_display) {
1742             fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
1743             exit(1);
1744         }
1745 #else
1746         fprintf(stderr, "VNC support is disabled\n");
1747         exit(1);
1748 #endif
1749     } else if (strstart(p, "curses", &opts)) {
1750 #ifdef CONFIG_CURSES
1751         display = DT_CURSES;
1752 #else
1753         fprintf(stderr, "Curses support is disabled\n");
1754         exit(1);
1755 #endif
1756     } else if (strstart(p, "none", &opts)) {
1757         display = DT_NONE;
1758     } else {
1759         fprintf(stderr, "Unknown display type: %s\n", p);
1760         exit(1);
1761     }
1762
1763     return display;
1764 }
1765
1766 static int balloon_parse(const char *arg)
1767 {
1768     QemuOpts *opts;
1769
1770     if (strcmp(arg, "none") == 0) {
1771         return 0;
1772     }
1773
1774     if (!strncmp(arg, "virtio", 6)) {
1775         if (arg[6] == ',') {
1776             /* have params -> parse them */
1777             opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1778             if (!opts)
1779                 return  -1;
1780         } else {
1781             /* create empty opts */
1782             opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
1783         }
1784         qemu_opt_set(opts, "driver", "virtio-balloon");
1785         return 0;
1786     }
1787
1788     return -1;
1789 }
1790
1791 char *qemu_find_file(int type, const char *name)
1792 {
1793     int len;
1794     const char *subdir;
1795     char *buf;
1796
1797     /* If name contains path separators then try it as a straight path.  */
1798     if ((strchr(name, '/') || strchr(name, '\\'))
1799         && access(name, R_OK) == 0) {
1800         return g_strdup(name);
1801     }
1802     switch (type) {
1803     case QEMU_FILE_TYPE_BIOS:
1804         subdir = "";
1805         break;
1806     case QEMU_FILE_TYPE_KEYMAP:
1807         subdir = "keymaps/";
1808         break;
1809     default:
1810         abort();
1811     }
1812     len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
1813     buf = g_malloc0(len);
1814     snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
1815     if (access(buf, R_OK)) {
1816         g_free(buf);
1817         return NULL;
1818     }
1819     return buf;
1820 }
1821
1822 static int device_help_func(QemuOpts *opts, void *opaque)
1823 {
1824     return qdev_device_help(opts);
1825 }
1826
1827 static int device_init_func(QemuOpts *opts, void *opaque)
1828 {
1829     DeviceState *dev;
1830
1831     dev = qdev_device_add(opts);
1832     if (!dev)
1833         return -1;
1834     return 0;
1835 }
1836
1837 static int chardev_init_func(QemuOpts *opts, void *opaque)
1838 {
1839     CharDriverState *chr;
1840
1841     chr = qemu_chr_new_from_opts(opts, NULL);
1842     if (!chr)
1843         return -1;
1844     return 0;
1845 }
1846
1847 #ifdef CONFIG_VIRTFS
1848 static int fsdev_init_func(QemuOpts *opts, void *opaque)
1849 {
1850     int ret;
1851     ret = qemu_fsdev_add(opts);
1852
1853     return ret;
1854 }
1855 #endif
1856
1857 static int mon_init_func(QemuOpts *opts, void *opaque)
1858 {
1859     CharDriverState *chr;
1860     const char *chardev;
1861     const char *mode;
1862     int flags;
1863
1864     mode = qemu_opt_get(opts, "mode");
1865     if (mode == NULL) {
1866         mode = "readline";
1867     }
1868     if (strcmp(mode, "readline") == 0) {
1869         flags = MONITOR_USE_READLINE;
1870     } else if (strcmp(mode, "control") == 0) {
1871         flags = MONITOR_USE_CONTROL;
1872     } else {
1873         fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
1874         exit(1);
1875     }
1876
1877     if (qemu_opt_get_bool(opts, "pretty", 0))
1878         flags |= MONITOR_USE_PRETTY;
1879
1880     if (qemu_opt_get_bool(opts, "default", 0))
1881         flags |= MONITOR_IS_DEFAULT;
1882
1883     chardev = qemu_opt_get(opts, "chardev");
1884     chr = qemu_chr_find(chardev);
1885     if (chr == NULL) {
1886         fprintf(stderr, "chardev \"%s\" not found\n", chardev);
1887         exit(1);
1888     }
1889
1890     monitor_init(chr, flags);
1891     return 0;
1892 }
1893
1894 static void monitor_parse(const char *optarg, const char *mode)
1895 {
1896     static int monitor_device_index = 0;
1897     QemuOpts *opts;
1898     const char *p;
1899     char label[32];
1900     int def = 0;
1901
1902     if (strstart(optarg, "chardev:", &p)) {
1903         snprintf(label, sizeof(label), "%s", p);
1904     } else {
1905         snprintf(label, sizeof(label), "compat_monitor%d",
1906                  monitor_device_index);
1907         if (monitor_device_index == 0) {
1908             def = 1;
1909         }
1910         opts = qemu_chr_parse_compat(label, optarg);
1911         if (!opts) {
1912             fprintf(stderr, "parse error: %s\n", optarg);
1913             exit(1);
1914         }
1915     }
1916
1917     opts = qemu_opts_create(qemu_find_opts("mon"), label, 1);
1918     if (!opts) {
1919         fprintf(stderr, "duplicate chardev: %s\n", label);
1920         exit(1);
1921     }
1922     qemu_opt_set(opts, "mode", mode);
1923     qemu_opt_set(opts, "chardev", label);
1924     if (def)
1925         qemu_opt_set(opts, "default", "on");
1926     monitor_device_index++;
1927 }
1928
1929 struct device_config {
1930     enum {
1931         DEV_USB,       /* -usbdevice     */
1932         DEV_BT,        /* -bt            */
1933         DEV_SERIAL,    /* -serial        */
1934         DEV_PARALLEL,  /* -parallel      */
1935         DEV_VIRTCON,   /* -virtioconsole */
1936         DEV_DEBUGCON,  /* -debugcon */
1937         DEV_GDB,       /* -gdb, -s */
1938     } type;
1939     const char *cmdline;
1940     Location loc;
1941     QTAILQ_ENTRY(device_config) next;
1942 };
1943 QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
1944
1945 static void add_device_config(int type, const char *cmdline)
1946 {
1947     struct device_config *conf;
1948
1949     conf = g_malloc0(sizeof(*conf));
1950     conf->type = type;
1951     conf->cmdline = cmdline;
1952     loc_save(&conf->loc);
1953     QTAILQ_INSERT_TAIL(&device_configs, conf, next);
1954 }
1955
1956 static int foreach_device_config(int type, int (*func)(const char *cmdline))
1957 {
1958     struct device_config *conf;
1959     int rc;
1960
1961     QTAILQ_FOREACH(conf, &device_configs, next) {
1962         if (conf->type != type)
1963             continue;
1964         loc_push_restore(&conf->loc);
1965         rc = func(conf->cmdline);
1966         loc_pop(&conf->loc);
1967         if (0 != rc)
1968             return rc;
1969     }
1970     return 0;
1971 }
1972
1973 static int serial_parse(const char *devname)
1974 {
1975     static int index = 0;
1976     char label[32];
1977
1978     if (strcmp(devname, "none") == 0)
1979         return 0;
1980     if (index == MAX_SERIAL_PORTS) {
1981         fprintf(stderr, "qemu: too many serial ports\n");
1982         exit(1);
1983     }
1984     snprintf(label, sizeof(label), "serial%d", index);
1985     serial_hds[index] = qemu_chr_new(label, devname, NULL);
1986     if (!serial_hds[index]) {
1987         fprintf(stderr, "qemu: could not open serial device '%s': %s\n",
1988                 devname, strerror(errno));
1989         return -1;
1990     }
1991     index++;
1992     return 0;
1993 }
1994
1995 static int parallel_parse(const char *devname)
1996 {
1997     static int index = 0;
1998     char label[32];
1999
2000     if (strcmp(devname, "none") == 0)
2001         return 0;
2002     if (index == MAX_PARALLEL_PORTS) {
2003         fprintf(stderr, "qemu: too many parallel ports\n");
2004         exit(1);
2005     }
2006     snprintf(label, sizeof(label), "parallel%d", index);
2007     parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2008     if (!parallel_hds[index]) {
2009         fprintf(stderr, "qemu: could not open parallel device '%s': %s\n",
2010                 devname, strerror(errno));
2011         return -1;
2012     }
2013     index++;
2014     return 0;
2015 }
2016
2017 static int virtcon_parse(const char *devname)
2018 {
2019     QemuOptsList *device = qemu_find_opts("device");
2020     static int index = 0;
2021     char label[32];
2022     QemuOpts *bus_opts, *dev_opts;
2023
2024     if (strcmp(devname, "none") == 0)
2025         return 0;
2026     if (index == MAX_VIRTIO_CONSOLES) {
2027         fprintf(stderr, "qemu: too many virtio consoles\n");
2028         exit(1);
2029     }
2030
2031     bus_opts = qemu_opts_create(device, NULL, 0);
2032     if (arch_type == QEMU_ARCH_S390X) {
2033         qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2034     } else {
2035         qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2036     }
2037
2038     dev_opts = qemu_opts_create(device, NULL, 0);
2039     qemu_opt_set(dev_opts, "driver", "virtconsole");
2040
2041     snprintf(label, sizeof(label), "virtcon%d", index);
2042     virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2043     if (!virtcon_hds[index]) {
2044         fprintf(stderr, "qemu: could not open virtio console '%s': %s\n",
2045                 devname, strerror(errno));
2046         return -1;
2047     }
2048     qemu_opt_set(dev_opts, "chardev", label);
2049
2050     index++;
2051     return 0;
2052 }
2053
2054 static int debugcon_parse(const char *devname)
2055 {
2056     QemuOpts *opts;
2057
2058     if (!qemu_chr_new("debugcon", devname, NULL)) {
2059         exit(1);
2060     }
2061     opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1);
2062     if (!opts) {
2063         fprintf(stderr, "qemu: already have a debugcon device\n");
2064         exit(1);
2065     }
2066     qemu_opt_set(opts, "driver", "isa-debugcon");
2067     qemu_opt_set(opts, "chardev", "debugcon");
2068     return 0;
2069 }
2070
2071 static QEMUMachine *machine_parse(const char *name)
2072 {
2073     QEMUMachine *m, *machine = NULL;
2074
2075     if (name) {
2076         machine = find_machine(name);
2077     }
2078     if (machine) {
2079         return machine;
2080     }
2081     printf("Supported machines are:\n");
2082     for (m = first_machine; m != NULL; m = m->next) {
2083         if (m->alias) {
2084             printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2085         }
2086         printf("%-20s %s%s\n", m->name, m->desc,
2087                m->is_default ? " (default)" : "");
2088     }
2089     exit(!name || *name != '?');
2090 }
2091
2092 static int tcg_init(void)
2093 {
2094     tcg_exec_init(tcg_tb_size * 1024 * 1024);
2095     return 0;
2096 }
2097
2098 static struct {
2099     const char *opt_name;
2100     const char *name;
2101     int (*available)(void);
2102     int (*init)(void);
2103     int *allowed;
2104 } accel_list[] = {
2105     { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2106     { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2107     { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2108     { "qtest", "QTest", qtest_available, qtest_init, &qtest_allowed },
2109 };
2110
2111 static int configure_accelerator(void)
2112 {
2113     const char *p = NULL;
2114     char buf[10];
2115     int i, ret;
2116     bool accel_initialised = 0;
2117     bool init_failed = 0;
2118
2119     QemuOptsList *list = qemu_find_opts("machine");
2120     if (!QTAILQ_EMPTY(&list->head)) {
2121         p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2122     }
2123
2124     if (p == NULL) {
2125         /* Use the default "accelerator", tcg */
2126         p = "tcg";
2127     }
2128
2129     while (!accel_initialised && *p != '\0') {
2130         if (*p == ':') {
2131             p++;
2132         }
2133         p = get_opt_name(buf, sizeof (buf), p, ':');
2134         for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2135             if (strcmp(accel_list[i].opt_name, buf) == 0) {
2136                 *(accel_list[i].allowed) = 1;
2137                 ret = accel_list[i].init();
2138                 if (ret < 0) {
2139                     init_failed = 1;
2140                     if (!accel_list[i].available()) {
2141                         printf("%s not supported for this target\n",
2142                                accel_list[i].name);
2143                     } else {
2144                         fprintf(stderr, "failed to initialize %s: %s\n",
2145                                 accel_list[i].name,
2146                                 strerror(-ret));
2147                     }
2148                     *(accel_list[i].allowed) = 0;
2149                 } else {
2150                     accel_initialised = 1;
2151                 }
2152                 break;
2153             }
2154         }
2155         if (i == ARRAY_SIZE(accel_list)) {
2156             fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2157         }
2158     }
2159
2160     if (!accel_initialised) {
2161         fprintf(stderr, "No accelerator found!\n");
2162         exit(1);
2163     }
2164
2165     if (init_failed) {
2166         fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2167     }
2168
2169     return !accel_initialised;
2170 }
2171
2172 void qemu_add_exit_notifier(Notifier *notify)
2173 {
2174     notifier_list_add(&exit_notifiers, notify);
2175 }
2176
2177 void qemu_remove_exit_notifier(Notifier *notify)
2178 {
2179     notifier_remove(notify);
2180 }
2181
2182 static void qemu_run_exit_notifiers(void)
2183 {
2184     notifier_list_notify(&exit_notifiers, NULL);
2185 }
2186
2187 void qemu_add_machine_init_done_notifier(Notifier *notify)
2188 {
2189     notifier_list_add(&machine_init_done_notifiers, notify);
2190 }
2191
2192 static void qemu_run_machine_init_done_notifiers(void)
2193 {
2194     notifier_list_notify(&machine_init_done_notifiers, NULL);
2195 }
2196
2197 static const QEMUOption *lookup_opt(int argc, char **argv,
2198                                     const char **poptarg, int *poptind)
2199 {
2200     const QEMUOption *popt;
2201     int optind = *poptind;
2202     char *r = argv[optind];
2203     const char *optarg;
2204
2205     loc_set_cmdline(argv, optind, 1);
2206     optind++;
2207     /* Treat --foo the same as -foo.  */
2208     if (r[1] == '-')
2209         r++;
2210     popt = qemu_options;
2211     for(;;) {
2212         if (!popt->name) {
2213             error_report("invalid option");
2214             exit(1);
2215         }
2216         if (!strcmp(popt->name, r + 1))
2217             break;
2218         popt++;
2219     }
2220     if (popt->flags & HAS_ARG) {
2221         if (optind >= argc) {
2222             error_report("requires an argument");
2223             exit(1);
2224         }
2225         optarg = argv[optind++];
2226         loc_set_cmdline(argv, optind - 2, 2);
2227     } else {
2228         optarg = NULL;
2229     }
2230
2231     *poptarg = optarg;
2232     *poptind = optind;
2233
2234     return popt;
2235 }
2236
2237 static gpointer malloc_and_trace(gsize n_bytes)
2238 {
2239     void *ptr = malloc(n_bytes);
2240     trace_g_malloc(n_bytes, ptr);
2241     return ptr;
2242 }
2243
2244 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2245 {
2246     void *ptr = realloc(mem, n_bytes);
2247     trace_g_realloc(mem, n_bytes, ptr);
2248     return ptr;
2249 }
2250
2251 static void free_and_trace(gpointer mem)
2252 {
2253     trace_g_free(mem);
2254     free(mem);
2255 }
2256
2257 int qemu_init_main_loop(void)
2258 {
2259     return main_loop_init();
2260 }
2261
2262 int main(int argc, char **argv, char **envp)
2263 {
2264     int i;
2265     int snapshot, linux_boot;
2266     const char *icount_option = NULL;
2267     const char *initrd_filename;
2268     const char *kernel_filename, *kernel_cmdline;
2269     char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
2270     DisplayState *ds;
2271     DisplayChangeListener *dcl;
2272     int cyls, heads, secs, translation;
2273     QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2274     QemuOptsList *olist;
2275     int optind;
2276     const char *optarg;
2277     const char *loadvm = NULL;
2278     QEMUMachine *machine;
2279     const char *cpu_model;
2280     const char *vga_model = NULL;
2281     const char *pid_file = NULL;
2282     const char *incoming = NULL;
2283 #ifdef CONFIG_VNC
2284     int show_vnc_port = 0;
2285 #endif
2286     bool defconfig = true;
2287     bool userconfig = true;
2288     const char *log_mask = NULL;
2289     const char *log_file = NULL;
2290     GMemVTable mem_trace = {
2291         .malloc = malloc_and_trace,
2292         .realloc = realloc_and_trace,
2293         .free = free_and_trace,
2294     };
2295     const char *trace_events = NULL;
2296     const char *trace_file = NULL;
2297
2298     atexit(qemu_run_exit_notifiers);
2299     error_set_progname(argv[0]);
2300
2301     g_mem_set_vtable(&mem_trace);
2302     if (!g_thread_supported()) {
2303 #if !GLIB_CHECK_VERSION(2, 31, 0)
2304         g_thread_init(NULL);
2305 #else
2306         fprintf(stderr, "glib threading failed to initialize.\n");
2307         exit(1);
2308 #endif
2309     }
2310
2311     module_call_init(MODULE_INIT_QOM);
2312
2313     runstate_init();
2314
2315     init_clocks();
2316     rtc_clock = host_clock;
2317
2318     qemu_cache_utils_init(envp);
2319
2320     QLIST_INIT (&vm_change_state_head);
2321     os_setup_early_signal_handling();
2322
2323     module_call_init(MODULE_INIT_MACHINE);
2324     machine = find_default_machine();
2325     cpu_model = NULL;
2326     ram_size = 0;
2327     snapshot = 0;
2328     cyls = heads = secs = 0;
2329     translation = BIOS_ATA_TRANSLATION_AUTO;
2330
2331     for (i = 0; i < MAX_NODES; i++) {
2332         node_mem[i] = 0;
2333         node_cpumask[i] = 0;
2334     }
2335
2336     nb_numa_nodes = 0;
2337     nb_nics = 0;
2338
2339     autostart= 1;
2340
2341     /* first pass of option parsing */
2342     optind = 1;
2343     while (optind < argc) {
2344         if (argv[optind][0] != '-') {
2345             /* disk image */
2346             optind++;
2347             continue;
2348         } else {
2349             const QEMUOption *popt;
2350
2351             popt = lookup_opt(argc, argv, &optarg, &optind);
2352             switch (popt->index) {
2353             case QEMU_OPTION_nodefconfig:
2354                 defconfig = false;
2355                 break;
2356             case QEMU_OPTION_nouserconfig:
2357                 userconfig = false;
2358                 break;
2359             }
2360         }
2361     }
2362
2363     if (defconfig) {
2364         int ret;
2365         ret = qemu_read_default_config_files(userconfig);
2366         if (ret < 0) {
2367             exit(1);
2368         }
2369     }
2370
2371     /* second pass of option parsing */
2372     optind = 1;
2373     for(;;) {
2374         if (optind >= argc)
2375             break;
2376         if (argv[optind][0] != '-') {
2377             hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2378         } else {
2379             const QEMUOption *popt;
2380
2381             popt = lookup_opt(argc, argv, &optarg, &optind);
2382             if (!(popt->arch_mask & arch_type)) {
2383                 printf("Option %s not supported for this target\n", popt->name);
2384                 exit(1);
2385             }
2386             switch(popt->index) {
2387             case QEMU_OPTION_M:
2388                 machine = machine_parse(optarg);
2389                 break;
2390             case QEMU_OPTION_cpu:
2391                 /* hw initialization will check this */
2392                 cpu_model = optarg;
2393                 break;
2394             case QEMU_OPTION_hda:
2395                 {
2396                     char buf[256];
2397                     if (cyls == 0)
2398                         snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2399                     else
2400                         snprintf(buf, sizeof(buf),
2401                                  "%s,cyls=%d,heads=%d,secs=%d%s",
2402                                  HD_OPTS , cyls, heads, secs,
2403                                  translation == BIOS_ATA_TRANSLATION_LBA ?
2404                                  ",trans=lba" :
2405                                  translation == BIOS_ATA_TRANSLATION_NONE ?
2406                                  ",trans=none" : "");
2407                     drive_add(IF_DEFAULT, 0, optarg, buf);
2408                     break;
2409                 }
2410             case QEMU_OPTION_hdb:
2411             case QEMU_OPTION_hdc:
2412             case QEMU_OPTION_hdd:
2413                 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2414                           HD_OPTS);
2415                 break;
2416             case QEMU_OPTION_drive:
2417                 if (drive_def(optarg) == NULL) {
2418                     exit(1);
2419                 }
2420                 break;
2421             case QEMU_OPTION_set:
2422                 if (qemu_set_option(optarg) != 0)
2423                     exit(1);
2424                 break;
2425             case QEMU_OPTION_global:
2426                 if (qemu_global_option(optarg) != 0)
2427                     exit(1);
2428                 break;
2429             case QEMU_OPTION_mtdblock:
2430                 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2431                 break;
2432             case QEMU_OPTION_sd:
2433                 drive_add(IF_SD, 0, optarg, SD_OPTS);
2434                 break;
2435             case QEMU_OPTION_pflash:
2436                 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2437                 break;
2438             case QEMU_OPTION_snapshot:
2439                 snapshot = 1;
2440                 break;
2441             case QEMU_OPTION_hdachs:
2442                 {
2443                     const char *p;
2444                     p = optarg;
2445                     cyls = strtol(p, (char **)&p, 0);
2446                     if (cyls < 1 || cyls > 16383)
2447                         goto chs_fail;
2448                     if (*p != ',')
2449                         goto chs_fail;
2450                     p++;
2451                     heads = strtol(p, (char **)&p, 0);
2452                     if (heads < 1 || heads > 16)
2453                         goto chs_fail;
2454                     if (*p != ',')
2455                         goto chs_fail;
2456                     p++;
2457                     secs = strtol(p, (char **)&p, 0);
2458                     if (secs < 1 || secs > 63)
2459                         goto chs_fail;
2460                     if (*p == ',') {
2461                         p++;
2462                         if (!strcmp(p, "none"))
2463                             translation = BIOS_ATA_TRANSLATION_NONE;
2464                         else if (!strcmp(p, "lba"))
2465                             translation = BIOS_ATA_TRANSLATION_LBA;
2466                         else if (!strcmp(p, "auto"))
2467                             translation = BIOS_ATA_TRANSLATION_AUTO;
2468                         else
2469                             goto chs_fail;
2470                     } else if (*p != '\0') {
2471                     chs_fail:
2472                         fprintf(stderr, "qemu: invalid physical CHS format\n");
2473                         exit(1);
2474                     }
2475                     if (hda_opts != NULL) {
2476                         char num[16];
2477                         snprintf(num, sizeof(num), "%d", cyls);
2478                         qemu_opt_set(hda_opts, "cyls", num);
2479                         snprintf(num, sizeof(num), "%d", heads);
2480                         qemu_opt_set(hda_opts, "heads", num);
2481                         snprintf(num, sizeof(num), "%d", secs);
2482                         qemu_opt_set(hda_opts, "secs", num);
2483                         if (translation == BIOS_ATA_TRANSLATION_LBA)
2484                             qemu_opt_set(hda_opts, "trans", "lba");
2485                         if (translation == BIOS_ATA_TRANSLATION_NONE)
2486                             qemu_opt_set(hda_opts, "trans", "none");
2487                     }
2488                 }
2489                 break;
2490             case QEMU_OPTION_numa:
2491                 if (nb_numa_nodes >= MAX_NODES) {
2492                     fprintf(stderr, "qemu: too many NUMA nodes\n");
2493                     exit(1);
2494                 }
2495                 numa_add(optarg);
2496                 break;
2497             case QEMU_OPTION_display:
2498                 display_type = select_display(optarg);
2499                 break;
2500             case QEMU_OPTION_nographic:
2501                 display_type = DT_NOGRAPHIC;
2502                 break;
2503             case QEMU_OPTION_curses:
2504 #ifdef CONFIG_CURSES
2505                 display_type = DT_CURSES;
2506 #else
2507                 fprintf(stderr, "Curses support is disabled\n");
2508                 exit(1);
2509 #endif
2510                 break;
2511             case QEMU_OPTION_portrait:
2512                 graphic_rotate = 90;
2513                 break;
2514             case QEMU_OPTION_rotate:
2515                 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
2516                 if (graphic_rotate != 0 && graphic_rotate != 90 &&
2517                     graphic_rotate != 180 && graphic_rotate != 270) {
2518                     fprintf(stderr,
2519                         "qemu: only 90, 180, 270 deg rotation is available\n");
2520                     exit(1);
2521                 }
2522                 break;
2523             case QEMU_OPTION_kernel:
2524                 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
2525                 break;
2526             case QEMU_OPTION_initrd:
2527                 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
2528                 break;
2529             case QEMU_OPTION_append:
2530                 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
2531                 break;
2532             case QEMU_OPTION_dtb:
2533                 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
2534                 break;
2535             case QEMU_OPTION_cdrom:
2536                 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2537                 break;
2538             case QEMU_OPTION_boot:
2539                 {
2540                     static const char * const params[] = {
2541                         "order", "once", "menu",
2542                         "splash", "splash-time", NULL
2543                     };
2544                     char buf[sizeof(boot_devices)];
2545                     char *standard_boot_devices;
2546                     int legacy = 0;
2547
2548                     if (!strchr(optarg, '=')) {
2549                         legacy = 1;
2550                         pstrcpy(buf, sizeof(buf), optarg);
2551                     } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2552                         fprintf(stderr,
2553                                 "qemu: unknown boot parameter '%s' in '%s'\n",
2554                                 buf, optarg);
2555                         exit(1);
2556                     }
2557
2558                     if (legacy ||
2559                         get_param_value(buf, sizeof(buf), "order", optarg)) {
2560                         validate_bootdevices(buf);
2561                         pstrcpy(boot_devices, sizeof(boot_devices), buf);
2562                     }
2563                     if (!legacy) {
2564                         if (get_param_value(buf, sizeof(buf),
2565                                             "once", optarg)) {
2566                             validate_bootdevices(buf);
2567                             standard_boot_devices = g_strdup(boot_devices);
2568                             pstrcpy(boot_devices, sizeof(boot_devices), buf);
2569                             qemu_register_reset(restore_boot_devices,
2570                                                 standard_boot_devices);
2571                         }
2572                         if (get_param_value(buf, sizeof(buf),
2573                                             "menu", optarg)) {
2574                             if (!strcmp(buf, "on")) {
2575                                 boot_menu = 1;
2576                             } else if (!strcmp(buf, "off")) {
2577                                 boot_menu = 0;
2578                             } else {
2579                                 fprintf(stderr,
2580                                         "qemu: invalid option value '%s'\n",
2581                                         buf);
2582                                 exit(1);
2583                             }
2584                         }
2585                         qemu_opts_parse(qemu_find_opts("boot-opts"),
2586                                         optarg, 0);
2587                     }
2588                 }
2589                 break;
2590             case QEMU_OPTION_fda:
2591             case QEMU_OPTION_fdb:
2592                 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2593                           optarg, FD_OPTS);
2594                 break;
2595             case QEMU_OPTION_no_fd_bootchk:
2596                 fd_bootchk = 0;
2597                 break;
2598             case QEMU_OPTION_netdev:
2599                 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2600                     exit(1);
2601                 }
2602                 break;
2603             case QEMU_OPTION_net:
2604                 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2605                     exit(1);
2606                 }
2607                 break;
2608 #ifdef CONFIG_LIBISCSI
2609             case QEMU_OPTION_iscsi:
2610                 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
2611                 if (!opts) {
2612                     exit(1);
2613                 }
2614                 break;
2615 #endif
2616 #ifdef CONFIG_SLIRP
2617             case QEMU_OPTION_tftp:
2618                 legacy_tftp_prefix = optarg;
2619                 break;
2620             case QEMU_OPTION_bootp:
2621                 legacy_bootp_filename = optarg;
2622                 break;
2623             case QEMU_OPTION_redir:
2624                 if (net_slirp_redir(optarg) < 0)
2625                     exit(1);
2626                 break;
2627 #endif
2628             case QEMU_OPTION_bt:
2629                 add_device_config(DEV_BT, optarg);
2630                 break;
2631             case QEMU_OPTION_audio_help:
2632                 if (!(audio_available())) {
2633                     printf("Option %s not supported for this target\n", popt->name);
2634                     exit(1);
2635                 }
2636                 AUD_help ();
2637                 exit (0);
2638                 break;
2639             case QEMU_OPTION_soundhw:
2640                 if (!(audio_available())) {
2641                     printf("Option %s not supported for this target\n", popt->name);
2642                     exit(1);
2643                 }
2644                 select_soundhw (optarg);
2645                 break;
2646             case QEMU_OPTION_h:
2647                 help(0);
2648                 break;
2649             case QEMU_OPTION_version:
2650                 version();
2651                 exit(0);
2652                 break;
2653             case QEMU_OPTION_m: {
2654                 int64_t value;
2655                 char *end;
2656
2657                 value = strtosz(optarg, &end);
2658                 if (value < 0 || *end) {
2659                     fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2660                     exit(1);
2661                 }
2662
2663                 if (value != (uint64_t)(ram_addr_t)value) {
2664                     fprintf(stderr, "qemu: ram size too large\n");
2665                     exit(1);
2666                 }
2667                 ram_size = value;
2668                 break;
2669             }
2670             case QEMU_OPTION_mempath:
2671                 mem_path = optarg;
2672                 break;
2673 #ifdef MAP_POPULATE
2674             case QEMU_OPTION_mem_prealloc:
2675                 mem_prealloc = 1;
2676                 break;
2677 #endif
2678             case QEMU_OPTION_d:
2679                 log_mask = optarg;
2680                 break;
2681             case QEMU_OPTION_D:
2682                 log_file = optarg;
2683                 break;
2684             case QEMU_OPTION_s:
2685                 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
2686                 break;
2687             case QEMU_OPTION_gdb:
2688                 add_device_config(DEV_GDB, optarg);
2689                 break;
2690             case QEMU_OPTION_L:
2691                 data_dir = optarg;
2692                 break;
2693             case QEMU_OPTION_bios:
2694                 bios_name = optarg;
2695                 break;
2696             case QEMU_OPTION_singlestep:
2697                 singlestep = 1;
2698                 break;
2699             case QEMU_OPTION_S:
2700                 autostart = 0;
2701                 break;
2702             case QEMU_OPTION_k:
2703                 keyboard_layout = optarg;
2704                 break;
2705             case QEMU_OPTION_localtime:
2706                 rtc_utc = 0;
2707                 break;
2708             case QEMU_OPTION_vga:
2709                 vga_model = optarg;
2710                 break;
2711             case QEMU_OPTION_g:
2712                 {
2713                     const char *p;
2714                     int w, h, depth;
2715                     p = optarg;
2716                     w = strtol(p, (char **)&p, 10);
2717                     if (w <= 0) {
2718                     graphic_error:
2719                         fprintf(stderr, "qemu: invalid resolution or depth\n");
2720                         exit(1);
2721                     }
2722                     if (*p != 'x')
2723                         goto graphic_error;
2724                     p++;
2725                     h = strtol(p, (char **)&p, 10);
2726                     if (h <= 0)
2727                         goto graphic_error;
2728                     if (*p == 'x') {
2729                         p++;
2730                         depth = strtol(p, (char **)&p, 10);
2731                         if (depth != 8 && depth != 15 && depth != 16 &&
2732                             depth != 24 && depth != 32)
2733                             goto graphic_error;
2734                     } else if (*p == '\0') {
2735                         depth = graphic_depth;
2736                     } else {
2737                         goto graphic_error;
2738                     }
2739
2740                     graphic_width = w;
2741                     graphic_height = h;
2742                     graphic_depth = depth;
2743                 }
2744                 break;
2745             case QEMU_OPTION_echr:
2746                 {
2747                     char *r;
2748                     term_escape_char = strtol(optarg, &r, 0);
2749                     if (r == optarg)
2750                         printf("Bad argument to echr\n");
2751                     break;
2752                 }
2753             case QEMU_OPTION_monitor:
2754                 monitor_parse(optarg, "readline");
2755                 default_monitor = 0;
2756                 break;
2757             case QEMU_OPTION_qmp:
2758                 monitor_parse(optarg, "control");
2759                 default_monitor = 0;
2760                 break;
2761             case QEMU_OPTION_mon:
2762                 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
2763                 if (!opts) {
2764                     exit(1);
2765                 }
2766                 default_monitor = 0;
2767                 break;
2768             case QEMU_OPTION_chardev:
2769                 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
2770                 if (!opts) {
2771                     exit(1);
2772                 }
2773                 break;
2774             case QEMU_OPTION_fsdev:
2775                 olist = qemu_find_opts("fsdev");
2776                 if (!olist) {
2777                     fprintf(stderr, "fsdev is not supported by this qemu build.\n");
2778                     exit(1);
2779                 }
2780                 opts = qemu_opts_parse(olist, optarg, 1);
2781                 if (!opts) {
2782                     fprintf(stderr, "parse error: %s\n", optarg);
2783                     exit(1);
2784                 }
2785                 break;
2786             case QEMU_OPTION_virtfs: {
2787                 QemuOpts *fsdev;
2788                 QemuOpts *device;
2789                 const char *writeout, *sock_fd, *socket;
2790
2791                 olist = qemu_find_opts("virtfs");
2792                 if (!olist) {
2793                     fprintf(stderr, "virtfs is not supported by this qemu build.\n");
2794                     exit(1);
2795                 }
2796                 opts = qemu_opts_parse(olist, optarg, 1);
2797                 if (!opts) {
2798                     fprintf(stderr, "parse error: %s\n", optarg);
2799                     exit(1);
2800                 }
2801
2802                 if (qemu_opt_get(opts, "fsdriver") == NULL ||
2803                     qemu_opt_get(opts, "mount_tag") == NULL) {
2804                     fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
2805                     exit(1);
2806                 }
2807                 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
2808                                          qemu_opt_get(opts, "mount_tag"), 1);
2809                 if (!fsdev) {
2810                     fprintf(stderr, "duplicate fsdev id: %s\n",
2811                             qemu_opt_get(opts, "mount_tag"));
2812                     exit(1);
2813                 }
2814
2815                 writeout = qemu_opt_get(opts, "writeout");
2816                 if (writeout) {
2817 #ifdef CONFIG_SYNC_FILE_RANGE
2818                     qemu_opt_set(fsdev, "writeout", writeout);
2819 #else
2820                     fprintf(stderr, "writeout=immediate not supported on "
2821                             "this platform\n");
2822                     exit(1);
2823 #endif
2824                 }
2825                 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
2826                 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
2827                 qemu_opt_set(fsdev, "security_model",
2828                              qemu_opt_get(opts, "security_model"));
2829                 socket = qemu_opt_get(opts, "socket");
2830                 if (socket) {
2831                     qemu_opt_set(fsdev, "socket", socket);
2832                 }
2833                 sock_fd = qemu_opt_get(opts, "sock_fd");
2834                 if (sock_fd) {
2835                     qemu_opt_set(fsdev, "sock_fd", sock_fd);
2836                 }
2837
2838                 qemu_opt_set_bool(fsdev, "readonly",
2839                                 qemu_opt_get_bool(opts, "readonly", 0));
2840                 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
2841                 qemu_opt_set(device, "driver", "virtio-9p-pci");
2842                 qemu_opt_set(device, "fsdev",
2843                              qemu_opt_get(opts, "mount_tag"));
2844                 qemu_opt_set(device, "mount_tag",
2845                              qemu_opt_get(opts, "mount_tag"));
2846                 break;
2847             }
2848             case QEMU_OPTION_virtfs_synth: {
2849                 QemuOpts *fsdev;
2850                 QemuOpts *device;
2851
2852                 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth", 1);
2853                 if (!fsdev) {
2854                     fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
2855                     exit(1);
2856                 }
2857                 qemu_opt_set(fsdev, "fsdriver", "synth");
2858
2859                 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
2860                 qemu_opt_set(device, "driver", "virtio-9p-pci");
2861                 qemu_opt_set(device, "fsdev", "v_synth");
2862                 qemu_opt_set(device, "mount_tag", "v_synth");
2863                 break;
2864             }
2865             case QEMU_OPTION_serial:
2866                 add_device_config(DEV_SERIAL, optarg);
2867                 default_serial = 0;
2868                 if (strncmp(optarg, "mon:", 4) == 0) {
2869                     default_monitor = 0;
2870                 }
2871                 break;
2872             case QEMU_OPTION_watchdog:
2873                 if (watchdog) {
2874                     fprintf(stderr,
2875                             "qemu: only one watchdog option may be given\n");
2876                     return 1;
2877                 }
2878                 watchdog = optarg;
2879                 break;
2880             case QEMU_OPTION_watchdog_action:
2881                 if (select_watchdog_action(optarg) == -1) {
2882                     fprintf(stderr, "Unknown -watchdog-action parameter\n");
2883                     exit(1);
2884                 }
2885                 break;
2886             case QEMU_OPTION_virtiocon:
2887                 add_device_config(DEV_VIRTCON, optarg);
2888                 default_virtcon = 0;
2889                 if (strncmp(optarg, "mon:", 4) == 0) {
2890                     default_monitor = 0;
2891                 }
2892                 break;
2893             case QEMU_OPTION_parallel:
2894                 add_device_config(DEV_PARALLEL, optarg);
2895                 default_parallel = 0;
2896                 if (strncmp(optarg, "mon:", 4) == 0) {
2897                     default_monitor = 0;
2898                 }
2899                 break;
2900             case QEMU_OPTION_debugcon:
2901                 add_device_config(DEV_DEBUGCON, optarg);
2902                 break;
2903             case QEMU_OPTION_loadvm:
2904                 loadvm = optarg;
2905                 break;
2906             case QEMU_OPTION_full_screen:
2907                 full_screen = 1;
2908                 break;
2909 #ifdef CONFIG_SDL
2910             case QEMU_OPTION_no_frame:
2911                 no_frame = 1;
2912                 break;
2913             case QEMU_OPTION_alt_grab:
2914                 alt_grab = 1;
2915                 break;
2916             case QEMU_OPTION_ctrl_grab:
2917                 ctrl_grab = 1;
2918                 break;
2919             case QEMU_OPTION_no_quit:
2920                 no_quit = 1;
2921                 break;
2922             case QEMU_OPTION_sdl:
2923                 display_type = DT_SDL;
2924                 break;
2925 #else
2926             case QEMU_OPTION_no_frame:
2927             case QEMU_OPTION_alt_grab:
2928             case QEMU_OPTION_ctrl_grab:
2929             case QEMU_OPTION_no_quit:
2930             case QEMU_OPTION_sdl:
2931                 fprintf(stderr, "SDL support is disabled\n");
2932                 exit(1);
2933 #endif
2934             case QEMU_OPTION_pidfile:
2935                 pid_file = optarg;
2936                 break;
2937             case QEMU_OPTION_win2k_hack:
2938                 win2k_install_hack = 1;
2939                 break;
2940             case QEMU_OPTION_rtc_td_hack: {
2941                 static GlobalProperty slew_lost_ticks[] = {
2942                     {
2943                         .driver   = "mc146818rtc",
2944                         .property = "lost_tick_policy",
2945                         .value    = "slew",
2946                     },
2947                     { /* end of list */ }
2948                 };
2949
2950                 qdev_prop_register_global_list(slew_lost_ticks);
2951                 break;
2952             }
2953             case QEMU_OPTION_acpitable:
2954                 do_acpitable_option(optarg);
2955                 break;
2956             case QEMU_OPTION_smbios:
2957                 do_smbios_option(optarg);
2958                 break;
2959             case QEMU_OPTION_enable_kvm:
2960                 olist = qemu_find_opts("machine");
2961                 qemu_opts_parse(olist, "accel=kvm", 0);
2962                 break;
2963             case QEMU_OPTION_machine:
2964                 olist = qemu_find_opts("machine");
2965                 opts = qemu_opts_parse(olist, optarg, 1);
2966                 if (!opts) {
2967                     fprintf(stderr, "parse error: %s\n", optarg);
2968                     exit(1);
2969                 }
2970                 optarg = qemu_opt_get(opts, "type");
2971                 if (optarg) {
2972                     machine = machine_parse(optarg);
2973                 }
2974                 break;
2975             case QEMU_OPTION_usb:
2976                 usb_enabled = 1;
2977                 break;
2978             case QEMU_OPTION_usbdevice:
2979                 usb_enabled = 1;
2980                 add_device_config(DEV_USB, optarg);
2981                 break;
2982             case QEMU_OPTION_device:
2983                 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
2984                     exit(1);
2985                 }
2986                 break;
2987             case QEMU_OPTION_smp:
2988                 smp_parse(optarg);
2989                 if (smp_cpus < 1) {
2990                     fprintf(stderr, "Invalid number of CPUs\n");
2991                     exit(1);
2992                 }
2993                 if (max_cpus < smp_cpus) {
2994                     fprintf(stderr, "maxcpus must be equal to or greater than "
2995                             "smp\n");
2996                     exit(1);
2997                 }
2998                 if (max_cpus > 255) {
2999                     fprintf(stderr, "Unsupported number of maxcpus\n");
3000                     exit(1);
3001                 }
3002                 break;
3003             case QEMU_OPTION_vnc:
3004 #ifdef CONFIG_VNC
3005                 display_remote++;
3006                 vnc_display = optarg;
3007 #else
3008                 fprintf(stderr, "VNC support is disabled\n");
3009                 exit(1);
3010 #endif
3011                 break;
3012             case QEMU_OPTION_no_acpi:
3013                 acpi_enabled = 0;
3014                 break;
3015             case QEMU_OPTION_no_hpet:
3016                 no_hpet = 1;
3017                 break;
3018             case QEMU_OPTION_balloon:
3019                 if (balloon_parse(optarg) < 0) {
3020                     fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3021                     exit(1);
3022                 }
3023                 break;
3024             case QEMU_OPTION_no_reboot:
3025                 no_reboot = 1;
3026                 break;
3027             case QEMU_OPTION_no_shutdown:
3028                 no_shutdown = 1;
3029                 break;
3030             case QEMU_OPTION_show_cursor:
3031                 cursor_hide = 0;
3032                 break;
3033             case QEMU_OPTION_uuid:
3034                 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3035                     fprintf(stderr, "Fail to parse UUID string."
3036                             " Wrong format.\n");
3037                     exit(1);
3038                 }
3039                 break;
3040             case QEMU_OPTION_option_rom:
3041                 if (nb_option_roms >= MAX_OPTION_ROMS) {
3042                     fprintf(stderr, "Too many option ROMs\n");
3043                     exit(1);
3044                 }
3045                 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3046                 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3047                 option_rom[nb_option_roms].bootindex =
3048                     qemu_opt_get_number(opts, "bootindex", -1);
3049                 if (!option_rom[nb_option_roms].name) {
3050                     fprintf(stderr, "Option ROM file is not specified\n");
3051                     exit(1);
3052                 }
3053                 nb_option_roms++;
3054                 break;
3055             case QEMU_OPTION_semihosting:
3056                 semihosting_enabled = 1;
3057                 break;
3058             case QEMU_OPTION_name:
3059                 qemu_name = g_strdup(optarg);
3060                  {
3061                      char *p = strchr(qemu_name, ',');
3062                      if (p != NULL) {
3063                         *p++ = 0;
3064                         if (strncmp(p, "process=", 8)) {
3065                             fprintf(stderr, "Unknown subargument %s to -name\n", p);
3066                             exit(1);
3067                         }
3068                         p += 8;
3069                         os_set_proc_name(p);
3070                      }
3071                  }
3072                 break;
3073             case QEMU_OPTION_prom_env:
3074                 if (nb_prom_envs >= MAX_PROM_ENVS) {
3075                     fprintf(stderr, "Too many prom variables\n");
3076                     exit(1);
3077                 }
3078                 prom_envs[nb_prom_envs] = optarg;
3079                 nb_prom_envs++;
3080                 break;
3081             case QEMU_OPTION_old_param:
3082                 old_param = 1;
3083                 break;
3084             case QEMU_OPTION_clock:
3085                 configure_alarms(optarg);
3086                 break;
3087             case QEMU_OPTION_startdate:
3088                 configure_rtc_date_offset(optarg, 1);
3089                 break;
3090             case QEMU_OPTION_rtc:
3091                 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3092                 if (!opts) {
3093                     exit(1);
3094                 }
3095                 configure_rtc(opts);
3096                 break;
3097             case QEMU_OPTION_tb_size:
3098                 tcg_tb_size = strtol(optarg, NULL, 0);
3099                 if (tcg_tb_size < 0) {
3100                     tcg_tb_size = 0;
3101                 }
3102                 break;
3103             case QEMU_OPTION_icount:
3104                 icount_option = optarg;
3105                 break;
3106             case QEMU_OPTION_incoming:
3107                 incoming = optarg;
3108                 runstate_set(RUN_STATE_INMIGRATE);
3109                 break;
3110             case QEMU_OPTION_nodefaults:
3111                 default_serial = 0;
3112                 default_parallel = 0;
3113                 default_virtcon = 0;
3114                 default_monitor = 0;
3115                 default_net = 0;
3116                 default_floppy = 0;
3117                 default_cdrom = 0;
3118                 default_sdcard = 0;
3119                 vga_model = "none";
3120                 break;
3121             case QEMU_OPTION_xen_domid:
3122                 if (!(xen_available())) {
3123                     printf("Option %s not supported for this target\n", popt->name);
3124                     exit(1);
3125                 }
3126                 xen_domid = atoi(optarg);
3127                 break;
3128             case QEMU_OPTION_xen_create:
3129                 if (!(xen_available())) {
3130                     printf("Option %s not supported for this target\n", popt->name);
3131                     exit(1);
3132                 }
3133                 xen_mode = XEN_CREATE;
3134                 break;
3135             case QEMU_OPTION_xen_attach:
3136                 if (!(xen_available())) {
3137                     printf("Option %s not supported for this target\n", popt->name);
3138                     exit(1);
3139                 }
3140                 xen_mode = XEN_ATTACH;
3141                 break;
3142             case QEMU_OPTION_trace:
3143             {
3144                 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3145                 if (!opts) {
3146                     exit(1);
3147                 }
3148                 trace_events = qemu_opt_get(opts, "events");
3149                 trace_file = qemu_opt_get(opts, "file");
3150                 break;
3151             }
3152             case QEMU_OPTION_readconfig:
3153                 {
3154                     int ret = qemu_read_config_file(optarg);
3155                     if (ret < 0) {
3156                         fprintf(stderr, "read config %s: %s\n", optarg,
3157                             strerror(-ret));
3158                         exit(1);
3159                     }
3160                     break;
3161                 }
3162             case QEMU_OPTION_spice:
3163                 olist = qemu_find_opts("spice");
3164                 if (!olist) {
3165                     fprintf(stderr, "spice is not supported by this qemu build.\n");
3166                     exit(1);
3167                 }
3168                 opts = qemu_opts_parse(olist, optarg, 0);
3169                 if (!opts) {
3170                     fprintf(stderr, "parse error: %s\n", optarg);
3171                     exit(1);
3172                 }
3173                 break;
3174             case QEMU_OPTION_writeconfig:
3175                 {
3176                     FILE *fp;
3177                     if (strcmp(optarg, "-") == 0) {
3178                         fp = stdout;
3179                     } else {
3180                         fp = fopen(optarg, "w");
3181                         if (fp == NULL) {
3182                             fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3183                             exit(1);
3184                         }
3185                     }
3186                     qemu_config_write(fp);
3187                     fclose(fp);
3188                     break;
3189                 }
3190             case QEMU_OPTION_qtest:
3191                 qtest_chrdev = optarg;
3192                 break;
3193             case QEMU_OPTION_qtest_log:
3194                 qtest_log = optarg;
3195                 break;
3196             default:
3197                 os_parse_cmd_args(popt->index, optarg);
3198             }
3199         }
3200     }
3201     loc_set_none();
3202
3203     /* Init CPU def lists, based on config
3204      * - Must be called after all the qemu_read_config_file() calls
3205      * - Must be called before list_cpus()
3206      * - Must be called before machine->init()
3207      */
3208     cpudef_init();
3209
3210     if (cpu_model && *cpu_model == '?') {
3211         list_cpus(stdout, &fprintf, cpu_model);
3212         exit(0);
3213     }
3214
3215     /* Open the logfile at this point, if necessary. We can't open the logfile
3216      * when encountering either of the logging options (-d or -D) because the
3217      * other one may be encountered later on the command line, changing the
3218      * location or level of logging.
3219      */
3220     if (log_mask) {
3221         if (log_file) {
3222             set_cpu_log_filename(log_file);
3223         }
3224         set_cpu_log(log_mask);
3225     }
3226
3227     if (!trace_backend_init(trace_events, trace_file)) {
3228         exit(1);
3229     }
3230
3231     /* If no data_dir is specified then try to find it relative to the
3232        executable path.  */
3233     if (!data_dir) {
3234         data_dir = os_find_datadir(argv[0]);
3235     }
3236     /* If all else fails use the install path specified when building. */
3237     if (!data_dir) {
3238         data_dir = CONFIG_QEMU_DATADIR;
3239     }
3240
3241     if (machine == NULL) {
3242         fprintf(stderr, "No machine found.\n");
3243         exit(1);
3244     }
3245
3246     /*
3247      * Default to max_cpus = smp_cpus, in case the user doesn't
3248      * specify a max_cpus value.
3249      */
3250     if (!max_cpus)
3251         max_cpus = smp_cpus;
3252
3253     machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3254     if (smp_cpus > machine->max_cpus) {
3255         fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3256                 "supported by machine `%s' (%d)\n", smp_cpus,  machine->name,
3257                 machine->max_cpus);
3258         exit(1);
3259     }
3260
3261     /*
3262      * Get the default machine options from the machine if it is not already
3263      * specified either by the configuration file or by the command line.
3264      */
3265     if (machine->default_machine_opts) {
3266         qemu_opts_set_defaults(qemu_find_opts("machine"),
3267                                machine->default_machine_opts, 0);
3268     }
3269
3270     qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3271     qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3272
3273     if (machine->no_serial) {
3274         default_serial = 0;
3275     }
3276     if (machine->no_parallel) {
3277         default_parallel = 0;
3278     }
3279     if (!machine->use_virtcon) {
3280         default_virtcon = 0;
3281     }
3282     if (machine->no_floppy) {
3283         default_floppy = 0;
3284     }
3285     if (machine->no_cdrom) {
3286         default_cdrom = 0;
3287     }
3288     if (machine->no_sdcard) {
3289         default_sdcard = 0;
3290     }
3291
3292     if (display_type == DT_NOGRAPHIC) {
3293         if (default_parallel)
3294             add_device_config(DEV_PARALLEL, "null");
3295         if (default_serial && default_monitor) {
3296             add_device_config(DEV_SERIAL, "mon:stdio");
3297         } else if (default_virtcon && default_monitor) {
3298             add_device_config(DEV_VIRTCON, "mon:stdio");
3299         } else {
3300             if (default_serial)
3301                 add_device_config(DEV_SERIAL, "stdio");
3302             if (default_virtcon)
3303                 add_device_config(DEV_VIRTCON, "stdio");
3304             if (default_monitor)
3305                 monitor_parse("stdio", "readline");
3306         }
3307     } else {
3308         if (default_serial)
3309             add_device_config(DEV_SERIAL, "vc:80Cx24C");
3310         if (default_parallel)
3311             add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3312         if (default_monitor)
3313             monitor_parse("vc:80Cx24C", "readline");
3314         if (default_virtcon)
3315             add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3316     }
3317
3318     socket_init();
3319
3320     if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3321         exit(1);
3322 #ifdef CONFIG_VIRTFS
3323     if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3324         exit(1);
3325     }
3326 #endif
3327
3328     os_daemonize();
3329
3330     if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3331         os_pidfile_error();
3332         exit(1);
3333     }
3334
3335     /* init the memory */
3336     if (ram_size == 0) {
3337         ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3338     }
3339
3340     configure_accelerator();
3341
3342     qemu_init_cpu_loop();
3343     if (qemu_init_main_loop()) {
3344         fprintf(stderr, "qemu_init_main_loop failed\n");
3345         exit(1);
3346     }
3347
3348     machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
3349     if (machine_opts) {
3350         kernel_filename = qemu_opt_get(machine_opts, "kernel");
3351         initrd_filename = qemu_opt_get(machine_opts, "initrd");
3352         kernel_cmdline = qemu_opt_get(machine_opts, "append");
3353     } else {
3354         kernel_filename = initrd_filename = kernel_cmdline = NULL;
3355     }
3356
3357     if (!kernel_cmdline) {
3358         kernel_cmdline = "";
3359     }
3360
3361     linux_boot = (kernel_filename != NULL);
3362
3363     if (!linux_boot && *kernel_cmdline != '\0') {
3364         fprintf(stderr, "-append only allowed with -kernel option\n");
3365         exit(1);
3366     }
3367
3368     if (!linux_boot && initrd_filename != NULL) {
3369         fprintf(stderr, "-initrd only allowed with -kernel option\n");
3370         exit(1);
3371     }
3372
3373     if (!linux_boot && machine_opts && qemu_opt_get(machine_opts, "dtb")) {
3374         fprintf(stderr, "-dtb only allowed with -kernel option\n");
3375         exit(1);
3376     }
3377
3378     os_set_line_buffering();
3379
3380     if (init_timer_alarm() < 0) {
3381         fprintf(stderr, "could not initialize alarm timer\n");
3382         exit(1);
3383     }
3384
3385 #ifdef CONFIG_SPICE
3386     /* spice needs the timers to be initialized by this point */
3387     qemu_spice_init();
3388 #endif
3389
3390     if (icount_option && (kvm_enabled() || xen_enabled())) {
3391         fprintf(stderr, "-icount is not allowed with kvm or xen\n");
3392         exit(1);
3393     }
3394     configure_icount(icount_option);
3395
3396     if (net_init_clients() < 0) {
3397         exit(1);
3398     }
3399
3400     /* init the bluetooth world */
3401     if (foreach_device_config(DEV_BT, bt_parse))
3402         exit(1);
3403
3404     if (!xen_enabled()) {
3405         /* On 32-bit hosts, QEMU is limited by virtual address space */
3406         if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
3407             fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
3408             exit(1);
3409         }
3410     }
3411
3412     cpu_exec_init_all();
3413
3414     bdrv_init_with_whitelist();
3415
3416     blk_mig_init();
3417
3418     /* open the virtual block devices */
3419     if (snapshot)
3420         qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
3421     if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
3422         exit(1);
3423
3424     default_drive(default_cdrom, snapshot, machine->use_scsi,
3425                   IF_DEFAULT, 2, CDROM_OPTS);
3426     default_drive(default_floppy, snapshot, machine->use_scsi,
3427                   IF_FLOPPY, 0, FD_OPTS);
3428     default_drive(default_sdcard, snapshot, machine->use_scsi,
3429                   IF_SD, 0, SD_OPTS);
3430
3431     register_savevm_live(NULL, "ram", 0, 4, NULL, ram_save_live, NULL,
3432                          ram_load, NULL);
3433
3434     if (nb_numa_nodes > 0) {
3435         int i;
3436
3437         if (nb_numa_nodes > MAX_NODES) {
3438             nb_numa_nodes = MAX_NODES;
3439         }
3440
3441         /* If no memory size if given for any node, assume the default case
3442          * and distribute the available memory equally across all nodes
3443          */
3444         for (i = 0; i < nb_numa_nodes; i++) {
3445             if (node_mem[i] != 0)
3446                 break;
3447         }
3448         if (i == nb_numa_nodes) {
3449             uint64_t usedmem = 0;
3450
3451             /* On Linux, the each node's border has to be 8MB aligned,
3452              * the final node gets the rest.
3453              */
3454             for (i = 0; i < nb_numa_nodes - 1; i++) {
3455                 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3456                 usedmem += node_mem[i];
3457             }
3458             node_mem[i] = ram_size - usedmem;
3459         }
3460
3461         for (i = 0; i < nb_numa_nodes; i++) {
3462             if (node_cpumask[i] != 0)
3463                 break;
3464         }
3465         /* assigning the VCPUs round-robin is easier to implement, guest OSes
3466          * must cope with this anyway, because there are BIOSes out there in
3467          * real machines which also use this scheme.
3468          */
3469         if (i == nb_numa_nodes) {
3470             for (i = 0; i < max_cpus; i++) {
3471                 node_cpumask[i % nb_numa_nodes] |= 1 << i;
3472             }
3473         }
3474     }
3475
3476     if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
3477         exit(1);
3478     }
3479
3480     if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3481         exit(1);
3482     if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3483         exit(1);
3484     if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3485         exit(1);
3486     if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3487         exit(1);
3488
3489     /* must be after qdev registration but before machine init */
3490     if (vga_model) {
3491         select_vgahw(vga_model);
3492     } else if (cirrus_vga_available()) {
3493         select_vgahw("cirrus");
3494     } else {
3495         select_vgahw("none");
3496     }
3497
3498     if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0) != 0)
3499         exit(0);
3500
3501     if (watchdog) {
3502         i = select_watchdog(watchdog);
3503         if (i > 0)
3504             exit (i == 1 ? 1 : 0);
3505     }
3506
3507     if (machine->compat_props) {
3508         qdev_prop_register_global_list(machine->compat_props);
3509     }
3510     qemu_add_globals();
3511
3512     qdev_machine_init();
3513
3514     machine->init(ram_size, boot_devices,
3515                   kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
3516
3517     cpu_synchronize_all_post_init();
3518
3519     set_numa_modes();
3520
3521     current_machine = machine;
3522
3523     /* init USB devices */
3524     if (usb_enabled) {
3525         if (foreach_device_config(DEV_USB, usb_parse) < 0)
3526             exit(1);
3527     }
3528
3529     /* init generic devices */
3530     if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
3531         exit(1);
3532
3533     net_check_clients();
3534
3535     /* just use the first displaystate for the moment */
3536     ds = get_displaystate();
3537
3538     if (using_spice)
3539         display_remote++;
3540     if (display_type == DT_DEFAULT && !display_remote) {
3541 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3542         display_type = DT_SDL;
3543 #elif defined(CONFIG_VNC)
3544         vnc_display = "localhost:0,to=99";
3545         show_vnc_port = 1;
3546 #else
3547         display_type = DT_NONE;
3548 #endif
3549     }
3550
3551
3552     /* init local displays */
3553     switch (display_type) {
3554     case DT_NOGRAPHIC:
3555         break;
3556 #if defined(CONFIG_CURSES)
3557     case DT_CURSES:
3558         curses_display_init(ds, full_screen);
3559         break;
3560 #endif
3561 #if defined(CONFIG_SDL)
3562     case DT_SDL:
3563         sdl_display_init(ds, full_screen, no_frame);
3564         break;
3565 #elif defined(CONFIG_COCOA)
3566     case DT_SDL:
3567         cocoa_display_init(ds, full_screen);
3568         break;
3569 #endif
3570     default:
3571         break;
3572     }
3573
3574     /* must be after terminal init, SDL library changes signal handlers */
3575     os_setup_signal_handling();
3576
3577 #ifdef CONFIG_VNC
3578     /* init remote displays */
3579     if (vnc_display) {
3580         vnc_display_init(ds);
3581         if (vnc_display_open(ds, vnc_display) < 0)
3582             exit(1);
3583
3584         if (show_vnc_port) {
3585             printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3586         }
3587     }
3588 #endif
3589 #ifdef CONFIG_SPICE
3590     if (using_spice && !qxl_enabled) {
3591         qemu_spice_display_init(ds);
3592     }
3593 #endif
3594
3595     /* display setup */
3596     dpy_resize(ds);
3597     dcl = ds->listeners;
3598     while (dcl != NULL) {
3599         if (dcl->dpy_refresh != NULL) {
3600             ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
3601             qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
3602             break;
3603         }
3604         dcl = dcl->next;
3605     }
3606     text_consoles_set_display(ds);
3607
3608     if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
3609         exit(1);
3610     }
3611
3612     qdev_machine_creation_done();
3613
3614     if (rom_load_all() != 0) {
3615         fprintf(stderr, "rom loading failed\n");
3616         exit(1);
3617     }
3618
3619     /* TODO: once all bus devices are qdevified, this should be done
3620      * when bus is created by qdev.c */
3621     qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
3622     qemu_run_machine_init_done_notifiers();
3623
3624     qemu_system_reset(VMRESET_SILENT);
3625     if (loadvm) {
3626         if (load_vmstate(loadvm) < 0) {
3627             autostart = 0;
3628         }
3629     }
3630
3631     if (incoming) {
3632         int ret = qemu_start_incoming_migration(incoming);
3633         if (ret < 0) {
3634             fprintf(stderr, "Migration failed. Exit code %s(%d), exiting.\n",
3635                     incoming, ret);
3636             exit(ret);
3637         }
3638     } else if (autostart) {
3639         vm_start();
3640     }
3641
3642     os_setup_post();
3643
3644     resume_all_vcpus();
3645     main_loop();
3646     bdrv_close_all();
3647     pause_all_vcpus();
3648     net_cleanup();
3649     res_free();
3650
3651     return 0;
3652 }